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Description: If the numerator converges to 0 and the denominator converges to a nonzero number, then the fraction converges to 0. (Contributed by Glauco Siliprandi, 11-Dec-2019)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | 0ellimcdiv.f | |- F = ( x e. A |-> B ) |
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| 0ellimcdiv.g | |- G = ( x e. A |-> C ) |
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| 0ellimcdiv.h | |- H = ( x e. A |-> ( B / C ) ) |
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| 0ellimcdiv.b | |- ( ( ph /\ x e. A ) -> B e. CC ) |
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| 0ellimcdiv.c | |- ( ( ph /\ x e. A ) -> C e. ( CC \ { 0 } ) ) |
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| 0ellimcdiv.0limf | |- ( ph -> 0 e. ( F limCC E ) ) |
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| 0ellimcdiv.d | |- ( ph -> D e. ( G limCC E ) ) |
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| 0ellimcdiv.dne0 | |- ( ph -> D =/= 0 ) |
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| Assertion | 0ellimcdiv | |- ( ph -> 0 e. ( H limCC E ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 0ellimcdiv.f | |- F = ( x e. A |-> B ) |
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| 2 | 0ellimcdiv.g | |- G = ( x e. A |-> C ) |
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| 3 | 0ellimcdiv.h | |- H = ( x e. A |-> ( B / C ) ) |
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| 4 | 0ellimcdiv.b | |- ( ( ph /\ x e. A ) -> B e. CC ) |
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| 5 | 0ellimcdiv.c | |- ( ( ph /\ x e. A ) -> C e. ( CC \ { 0 } ) ) |
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| 6 | 0ellimcdiv.0limf | |- ( ph -> 0 e. ( F limCC E ) ) |
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| 7 | 0ellimcdiv.d | |- ( ph -> D e. ( G limCC E ) ) |
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| 8 | 0ellimcdiv.dne0 | |- ( ph -> D =/= 0 ) |
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| 9 | 0cnd | |- ( ph -> 0 e. CC ) |
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| 10 | 5 | eldifad | |- ( ( ph /\ x e. A ) -> C e. CC ) |
| 11 | 10 2 | fmptd | |- ( ph -> G : A --> CC ) |
| 12 | 1 4 6 | limcmptdm | |- ( ph -> A C_ CC ) |
| 13 | limcrcl | |- ( D e. ( G limCC E ) -> ( G : dom G --> CC /\ dom G C_ CC /\ E e. CC ) ) |
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| 14 | 7 13 | syl | |- ( ph -> ( G : dom G --> CC /\ dom G C_ CC /\ E e. CC ) ) |
| 15 | 14 | simp3d | |- ( ph -> E e. CC ) |
| 16 | 11 12 15 | ellimc3 | |- ( ph -> ( D e. ( G limCC E ) <-> ( D e. CC /\ A. y e. RR+ E. z e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( abs ` ( ( G ` v ) - D ) ) < y ) ) ) ) |
| 17 | 7 16 | mpbid | |- ( ph -> ( D e. CC /\ A. y e. RR+ E. z e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( abs ` ( ( G ` v ) - D ) ) < y ) ) ) |
| 18 | 17 | simprd | |- ( ph -> A. y e. RR+ E. z e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( abs ` ( ( G ` v ) - D ) ) < y ) ) |
| 19 | 17 | simpld | |- ( ph -> D e. CC ) |
| 20 | 19 8 | absrpcld | |- ( ph -> ( abs ` D ) e. RR+ ) |
| 21 | 20 | rphalfcld | |- ( ph -> ( ( abs ` D ) / 2 ) e. RR+ ) |
| 22 | breq2 | |- ( y = ( ( abs ` D ) / 2 ) -> ( ( abs ` ( ( G ` v ) - D ) ) < y <-> ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) ) |
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| 23 | 22 | imbi2d | |- ( y = ( ( abs ` D ) / 2 ) -> ( ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( abs ` ( ( G ` v ) - D ) ) < y ) <-> ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) ) ) |
| 24 | 23 | rexralbidv | |- ( y = ( ( abs ` D ) / 2 ) -> ( E. z e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( abs ` ( ( G ` v ) - D ) ) < y ) <-> E. z e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) ) ) |
| 25 | 24 | rspccva | |- ( ( A. y e. RR+ E. z e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( abs ` ( ( G ` v ) - D ) ) < y ) /\ ( ( abs ` D ) / 2 ) e. RR+ ) -> E. z e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) ) |
| 26 | 18 21 25 | syl2anc | |- ( ph -> E. z e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) ) |
| 27 | simpl1l | |- ( ( ( ( ph /\ z e. RR+ ) /\ ( v e. A -> ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) ) /\ v e. A ) /\ ( v =/= E /\ ( abs ` ( v - E ) ) < z ) ) -> ph ) |
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| 28 | simpl3 | |- ( ( ( ( ph /\ z e. RR+ ) /\ ( v e. A -> ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) ) /\ v e. A ) /\ ( v =/= E /\ ( abs ` ( v - E ) ) < z ) ) -> v e. A ) |
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| 29 | simpr | |- ( ( ( ( ph /\ z e. RR+ ) /\ ( v e. A -> ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) ) /\ v e. A ) /\ ( v =/= E /\ ( abs ` ( v - E ) ) < z ) ) -> ( v =/= E /\ ( abs ` ( v - E ) ) < z ) ) |
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| 30 | simpl2 | |- ( ( ( ( ph /\ z e. RR+ ) /\ ( v e. A -> ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) ) /\ v e. A ) /\ ( v =/= E /\ ( abs ` ( v - E ) ) < z ) ) -> ( v e. A -> ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) ) ) |
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| 31 | 28 29 30 | mp2d | |- ( ( ( ( ph /\ z e. RR+ ) /\ ( v e. A -> ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) ) /\ v e. A ) /\ ( v =/= E /\ ( abs ` ( v - E ) ) < z ) ) -> ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) |
| 32 | 20 | rpcnd | |- ( ph -> ( abs ` D ) e. CC ) |
| 33 | 32 | 2halvesd | |- ( ph -> ( ( ( abs ` D ) / 2 ) + ( ( abs ` D ) / 2 ) ) = ( abs ` D ) ) |
| 34 | 33 | eqcomd | |- ( ph -> ( abs ` D ) = ( ( ( abs ` D ) / 2 ) + ( ( abs ` D ) / 2 ) ) ) |
| 35 | 34 | oveq1d | |- ( ph -> ( ( abs ` D ) - ( ( abs ` D ) / 2 ) ) = ( ( ( ( abs ` D ) / 2 ) + ( ( abs ` D ) / 2 ) ) - ( ( abs ` D ) / 2 ) ) ) |
| 36 | 2cnd | |- ( ph -> 2 e. CC ) |
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| 37 | 2ne0 | |- 2 =/= 0 |
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| 38 | 37 | a1i | |- ( ph -> 2 =/= 0 ) |
| 39 | 19 36 38 | absdivd | |- ( ph -> ( abs ` ( D / 2 ) ) = ( ( abs ` D ) / ( abs ` 2 ) ) ) |
| 40 | 2re | |- 2 e. RR |
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| 41 | 40 | a1i | |- ( ph -> 2 e. RR ) |
| 42 | 0le2 | |- 0 <_ 2 |
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| 43 | 42 | a1i | |- ( ph -> 0 <_ 2 ) |
| 44 | 41 43 | absidd | |- ( ph -> ( abs ` 2 ) = 2 ) |
| 45 | 44 | oveq2d | |- ( ph -> ( ( abs ` D ) / ( abs ` 2 ) ) = ( ( abs ` D ) / 2 ) ) |
| 46 | 39 45 | eqtr2d | |- ( ph -> ( ( abs ` D ) / 2 ) = ( abs ` ( D / 2 ) ) ) |
| 47 | 46 | oveq2d | |- ( ph -> ( ( abs ` D ) - ( ( abs ` D ) / 2 ) ) = ( ( abs ` D ) - ( abs ` ( D / 2 ) ) ) ) |
| 48 | 21 | rpcnd | |- ( ph -> ( ( abs ` D ) / 2 ) e. CC ) |
| 49 | 48 48 | pncand | |- ( ph -> ( ( ( ( abs ` D ) / 2 ) + ( ( abs ` D ) / 2 ) ) - ( ( abs ` D ) / 2 ) ) = ( ( abs ` D ) / 2 ) ) |
| 50 | 35 47 49 | 3eqtr3rd | |- ( ph -> ( ( abs ` D ) / 2 ) = ( ( abs ` D ) - ( abs ` ( D / 2 ) ) ) ) |
| 51 | 50 | 3ad2ant1 | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> ( ( abs ` D ) / 2 ) = ( ( abs ` D ) - ( abs ` ( D / 2 ) ) ) ) |
| 52 | 46 | eqcomd | |- ( ph -> ( abs ` ( D / 2 ) ) = ( ( abs ` D ) / 2 ) ) |
| 53 | 52 | 3ad2ant1 | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> ( abs ` ( D / 2 ) ) = ( ( abs ` D ) / 2 ) ) |
| 54 | 53 | oveq2d | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> ( ( abs ` D ) - ( abs ` ( D / 2 ) ) ) = ( ( abs ` D ) - ( ( abs ` D ) / 2 ) ) ) |
| 55 | 19 | adantr | |- ( ( ph /\ v e. A ) -> D e. CC ) |
| 56 | 55 | abscld | |- ( ( ph /\ v e. A ) -> ( abs ` D ) e. RR ) |
| 57 | 56 | 3adant3 | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> ( abs ` D ) e. RR ) |
| 58 | 11 | ffvelcdmda | |- ( ( ph /\ v e. A ) -> ( G ` v ) e. CC ) |
| 59 | 58 | 3adant3 | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> ( G ` v ) e. CC ) |
| 60 | 59 | abscld | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> ( abs ` ( G ` v ) ) e. RR ) |
| 61 | 19 | 3ad2ant1 | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> D e. CC ) |
| 62 | 61 59 | subcld | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> ( D - ( G ` v ) ) e. CC ) |
| 63 | 62 | abscld | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> ( abs ` ( D - ( G ` v ) ) ) e. RR ) |
| 64 | 60 63 | readdcld | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> ( ( abs ` ( G ` v ) ) + ( abs ` ( D - ( G ` v ) ) ) ) e. RR ) |
| 65 | 57 | rehalfcld | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> ( ( abs ` D ) / 2 ) e. RR ) |
| 66 | 60 65 | readdcld | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> ( ( abs ` ( G ` v ) ) + ( ( abs ` D ) / 2 ) ) e. RR ) |
| 67 | 58 55 | pncan3d | |- ( ( ph /\ v e. A ) -> ( ( G ` v ) + ( D - ( G ` v ) ) ) = D ) |
| 68 | 67 | eqcomd | |- ( ( ph /\ v e. A ) -> D = ( ( G ` v ) + ( D - ( G ` v ) ) ) ) |
| 69 | 68 | fveq2d | |- ( ( ph /\ v e. A ) -> ( abs ` D ) = ( abs ` ( ( G ` v ) + ( D - ( G ` v ) ) ) ) ) |
| 70 | 55 58 | subcld | |- ( ( ph /\ v e. A ) -> ( D - ( G ` v ) ) e. CC ) |
| 71 | 58 70 | abstrid | |- ( ( ph /\ v e. A ) -> ( abs ` ( ( G ` v ) + ( D - ( G ` v ) ) ) ) <_ ( ( abs ` ( G ` v ) ) + ( abs ` ( D - ( G ` v ) ) ) ) ) |
| 72 | 69 71 | eqbrtrd | |- ( ( ph /\ v e. A ) -> ( abs ` D ) <_ ( ( abs ` ( G ` v ) ) + ( abs ` ( D - ( G ` v ) ) ) ) ) |
| 73 | 72 | 3adant3 | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> ( abs ` D ) <_ ( ( abs ` ( G ` v ) ) + ( abs ` ( D - ( G ` v ) ) ) ) ) |
| 74 | 61 59 | abssubd | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> ( abs ` ( D - ( G ` v ) ) ) = ( abs ` ( ( G ` v ) - D ) ) ) |
| 75 | simp3 | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) |
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| 76 | 74 75 | eqbrtrd | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> ( abs ` ( D - ( G ` v ) ) ) < ( ( abs ` D ) / 2 ) ) |
| 77 | 63 65 60 76 | ltadd2dd | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> ( ( abs ` ( G ` v ) ) + ( abs ` ( D - ( G ` v ) ) ) ) < ( ( abs ` ( G ` v ) ) + ( ( abs ` D ) / 2 ) ) ) |
| 78 | 57 64 66 73 77 | lelttrd | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> ( abs ` D ) < ( ( abs ` ( G ` v ) ) + ( ( abs ` D ) / 2 ) ) ) |
| 79 | 58 | abscld | |- ( ( ph /\ v e. A ) -> ( abs ` ( G ` v ) ) e. RR ) |
| 80 | 79 | 3adant3 | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> ( abs ` ( G ` v ) ) e. RR ) |
| 81 | 57 65 80 | ltsubaddd | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> ( ( ( abs ` D ) - ( ( abs ` D ) / 2 ) ) < ( abs ` ( G ` v ) ) <-> ( abs ` D ) < ( ( abs ` ( G ` v ) ) + ( ( abs ` D ) / 2 ) ) ) ) |
| 82 | 78 81 | mpbird | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> ( ( abs ` D ) - ( ( abs ` D ) / 2 ) ) < ( abs ` ( G ` v ) ) ) |
| 83 | 54 82 | eqbrtrd | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> ( ( abs ` D ) - ( abs ` ( D / 2 ) ) ) < ( abs ` ( G ` v ) ) ) |
| 84 | 51 83 | eqbrtrd | |- ( ( ph /\ v e. A /\ ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) |
| 85 | 27 28 31 84 | syl3anc | |- ( ( ( ( ph /\ z e. RR+ ) /\ ( v e. A -> ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) ) /\ v e. A ) /\ ( v =/= E /\ ( abs ` ( v - E ) ) < z ) ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) |
| 86 | 85 | 3exp1 | |- ( ( ph /\ z e. RR+ ) -> ( ( v e. A -> ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) ) -> ( v e. A -> ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) ) ) |
| 87 | 86 | ralimdv2 | |- ( ( ph /\ z e. RR+ ) -> ( A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) ) |
| 88 | 87 | reximdva | |- ( ph -> ( E. z e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( abs ` ( ( G ` v ) - D ) ) < ( ( abs ` D ) / 2 ) ) -> E. z e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) ) |
| 89 | 26 88 | mpd | |- ( ph -> E. z e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) |
| 90 | 89 | adantr | |- ( ( ph /\ y e. RR+ ) -> E. z e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) |
| 91 | simpr | |- ( ( ph /\ y e. RR+ ) -> y e. RR+ ) |
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| 92 | 19 | adantr | |- ( ( ph /\ y e. RR+ ) -> D e. CC ) |
| 93 | 8 | adantr | |- ( ( ph /\ y e. RR+ ) -> D =/= 0 ) |
| 94 | 92 93 | absrpcld | |- ( ( ph /\ y e. RR+ ) -> ( abs ` D ) e. RR+ ) |
| 95 | 94 | rphalfcld | |- ( ( ph /\ y e. RR+ ) -> ( ( abs ` D ) / 2 ) e. RR+ ) |
| 96 | 91 95 | rpmulcld | |- ( ( ph /\ y e. RR+ ) -> ( y x. ( ( abs ` D ) / 2 ) ) e. RR+ ) |
| 97 | 96 | ex | |- ( ph -> ( y e. RR+ -> ( y x. ( ( abs ` D ) / 2 ) ) e. RR+ ) ) |
| 98 | 97 | imdistani | |- ( ( ph /\ y e. RR+ ) -> ( ph /\ ( y x. ( ( abs ` D ) / 2 ) ) e. RR+ ) ) |
| 99 | eleq1 | |- ( w = ( y x. ( ( abs ` D ) / 2 ) ) -> ( w e. RR+ <-> ( y x. ( ( abs ` D ) / 2 ) ) e. RR+ ) ) |
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| 100 | 99 | anbi2d | |- ( w = ( y x. ( ( abs ` D ) / 2 ) ) -> ( ( ph /\ w e. RR+ ) <-> ( ph /\ ( y x. ( ( abs ` D ) / 2 ) ) e. RR+ ) ) ) |
| 101 | breq2 | |- ( w = ( y x. ( ( abs ` D ) / 2 ) ) -> ( ( abs ` ( ( F ` v ) - 0 ) ) < w <-> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) |
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| 102 | 101 | imbi2d | |- ( w = ( y x. ( ( abs ` D ) / 2 ) ) -> ( ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < w ) <-> ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) ) |
| 103 | 102 | rexralbidv | |- ( w = ( y x. ( ( abs ` D ) / 2 ) ) -> ( E. u e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < w ) <-> E. u e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) ) |
| 104 | 100 103 | imbi12d | |- ( w = ( y x. ( ( abs ` D ) / 2 ) ) -> ( ( ( ph /\ w e. RR+ ) -> E. u e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < w ) ) <-> ( ( ph /\ ( y x. ( ( abs ` D ) / 2 ) ) e. RR+ ) -> E. u e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) ) ) |
| 105 | 4 1 | fmptd | |- ( ph -> F : A --> CC ) |
| 106 | 105 12 15 | ellimc3 | |- ( ph -> ( 0 e. ( F limCC E ) <-> ( 0 e. CC /\ A. w e. RR+ E. u e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < w ) ) ) ) |
| 107 | 6 106 | mpbid | |- ( ph -> ( 0 e. CC /\ A. w e. RR+ E. u e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < w ) ) ) |
| 108 | 107 | simprd | |- ( ph -> A. w e. RR+ E. u e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < w ) ) |
| 109 | 108 | r19.21bi | |- ( ( ph /\ w e. RR+ ) -> E. u e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < w ) ) |
| 110 | 104 109 | vtoclg | |- ( ( y x. ( ( abs ` D ) / 2 ) ) e. RR+ -> ( ( ph /\ ( y x. ( ( abs ` D ) / 2 ) ) e. RR+ ) -> E. u e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) ) |
| 111 | 96 98 110 | sylc | |- ( ( ph /\ y e. RR+ ) -> E. u e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) |
| 112 | 111 | 3ad2ant1 | |- ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) -> E. u e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) |
| 113 | simp12 | |- ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) -> z e. RR+ ) |
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| 114 | simp2 | |- ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) -> u e. RR+ ) |
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| 115 | 113 114 | ifcld | |- ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) -> if ( z <_ u , z , u ) e. RR+ ) |
| 116 | nfv | |- F/ v ( ph /\ y e. RR+ ) |
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| 117 | nfv | |- F/ v z e. RR+ |
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| 118 | nfra1 | |- F/ v A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) |
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| 119 | 116 117 118 | nf3an | |- F/ v ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) |
| 120 | nfv | |- F/ v u e. RR+ |
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| 121 | nfra1 | |- F/ v A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) |
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| 122 | 119 120 121 | nf3an | |- F/ v ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) |
| 123 | simp111 | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> ( ph /\ y e. RR+ ) ) |
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| 124 | simp112 | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> z e. RR+ ) |
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| 125 | simp12 | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> u e. RR+ ) |
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| 126 | 123 124 125 | jca31 | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ ) /\ u e. RR+ ) ) |
| 127 | simp2 | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> v e. A ) |
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| 128 | simp3l | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> v =/= E ) |
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| 129 | 126 127 128 | jca31 | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ ) /\ u e. RR+ ) /\ v e. A ) /\ v =/= E ) ) |
| 130 | 12 | adantr | |- ( ( ph /\ y e. RR+ ) -> A C_ CC ) |
| 131 | 130 | 3ad2ant1 | |- ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) -> A C_ CC ) |
| 132 | 131 | 3ad2ant1 | |- ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) -> A C_ CC ) |
| 133 | 132 | 3ad2ant1 | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> A C_ CC ) |
| 134 | 133 127 | sseldd | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> v e. CC ) |
| 135 | 15 | adantr | |- ( ( ph /\ y e. RR+ ) -> E e. CC ) |
| 136 | 135 | 3ad2ant1 | |- ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) -> E e. CC ) |
| 137 | 136 | 3ad2ant1 | |- ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) -> E e. CC ) |
| 138 | 137 | 3ad2ant1 | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> E e. CC ) |
| 139 | 134 138 | subcld | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> ( v - E ) e. CC ) |
| 140 | 139 | abscld | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> ( abs ` ( v - E ) ) e. RR ) |
| 141 | 124 | rpred | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> z e. RR ) |
| 142 | 125 | rpred | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> u e. RR ) |
| 143 | 141 142 | ifcld | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> if ( z <_ u , z , u ) e. RR ) |
| 144 | simp3r | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) |
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| 145 | min1 | |- ( ( z e. RR /\ u e. RR ) -> if ( z <_ u , z , u ) <_ z ) |
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| 146 | 141 142 145 | syl2anc | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> if ( z <_ u , z , u ) <_ z ) |
| 147 | 140 143 141 144 146 | ltletrd | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> ( abs ` ( v - E ) ) < z ) |
| 148 | simp113 | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) |
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| 149 | rspa | |- ( ( A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ v e. A ) -> ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) |
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| 150 | 148 127 149 | syl2anc | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) |
| 151 | 128 147 150 | mp2and | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) |
| 152 | simp13 | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) |
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| 153 | rspa | |- ( ( A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) /\ v e. A ) -> ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) |
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| 154 | 152 127 153 | syl2anc | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) |
| 155 | min2 | |- ( ( z e. RR /\ u e. RR ) -> if ( z <_ u , z , u ) <_ u ) |
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| 156 | 141 142 155 | syl2anc | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> if ( z <_ u , z , u ) <_ u ) |
| 157 | 140 143 142 144 156 | ltletrd | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> ( abs ` ( v - E ) ) < u ) |
| 158 | 128 157 | jca | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> ( v =/= E /\ ( abs ` ( v - E ) ) < u ) ) |
| 159 | 123 | simpld | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> ph ) |
| 160 | 159 | 3ad2ant1 | |- ( ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) /\ ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) /\ ( v =/= E /\ ( abs ` ( v - E ) ) < u ) ) -> ph ) |
| 161 | simp12 | |- ( ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) /\ ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) /\ ( v =/= E /\ ( abs ` ( v - E ) ) < u ) ) -> v e. A ) |
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| 162 | nfv | |- F/ x ( ph /\ v e. A ) |
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| 163 | nfmpt1 | |- F/_ x ( x e. A |-> B ) |
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| 164 | 1 163 | nfcxfr | |- F/_ x F |
| 165 | nfcv | |- F/_ x v |
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| 166 | 164 165 | nffv | |- F/_ x ( F ` v ) |
| 167 | 166 | nfel1 | |- F/ x ( F ` v ) e. CC |
| 168 | 162 167 | nfim | |- F/ x ( ( ph /\ v e. A ) -> ( F ` v ) e. CC ) |
| 169 | eleq1 | |- ( x = v -> ( x e. A <-> v e. A ) ) |
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| 170 | 169 | anbi2d | |- ( x = v -> ( ( ph /\ x e. A ) <-> ( ph /\ v e. A ) ) ) |
| 171 | fveq2 | |- ( x = v -> ( F ` x ) = ( F ` v ) ) |
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| 172 | 171 | eleq1d | |- ( x = v -> ( ( F ` x ) e. CC <-> ( F ` v ) e. CC ) ) |
| 173 | 170 172 | imbi12d | |- ( x = v -> ( ( ( ph /\ x e. A ) -> ( F ` x ) e. CC ) <-> ( ( ph /\ v e. A ) -> ( F ` v ) e. CC ) ) ) |
| 174 | simpr | |- ( ( ph /\ x e. A ) -> x e. A ) |
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| 175 | 1 | fvmpt2 | |- ( ( x e. A /\ B e. CC ) -> ( F ` x ) = B ) |
| 176 | 174 4 175 | syl2anc | |- ( ( ph /\ x e. A ) -> ( F ` x ) = B ) |
| 177 | 176 4 | eqeltrd | |- ( ( ph /\ x e. A ) -> ( F ` x ) e. CC ) |
| 178 | 168 173 177 | chvarfv | |- ( ( ph /\ v e. A ) -> ( F ` v ) e. CC ) |
| 179 | 178 | subid1d | |- ( ( ph /\ v e. A ) -> ( ( F ` v ) - 0 ) = ( F ` v ) ) |
| 180 | 179 | eqcomd | |- ( ( ph /\ v e. A ) -> ( F ` v ) = ( ( F ` v ) - 0 ) ) |
| 181 | 180 | fveq2d | |- ( ( ph /\ v e. A ) -> ( abs ` ( F ` v ) ) = ( abs ` ( ( F ` v ) - 0 ) ) ) |
| 182 | 160 161 181 | syl2anc | |- ( ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) /\ ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) /\ ( v =/= E /\ ( abs ` ( v - E ) ) < u ) ) -> ( abs ` ( F ` v ) ) = ( abs ` ( ( F ` v ) - 0 ) ) ) |
| 183 | simp3 | |- ( ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) /\ ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) /\ ( v =/= E /\ ( abs ` ( v - E ) ) < u ) ) -> ( v =/= E /\ ( abs ` ( v - E ) ) < u ) ) |
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| 184 | simp2 | |- ( ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) /\ ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) /\ ( v =/= E /\ ( abs ` ( v - E ) ) < u ) ) -> ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) |
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| 185 | 183 184 | mpd | |- ( ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) /\ ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) /\ ( v =/= E /\ ( abs ` ( v - E ) ) < u ) ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) |
| 186 | 182 185 | eqbrtrd | |- ( ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) /\ ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) /\ ( v =/= E /\ ( abs ` ( v - E ) ) < u ) ) -> ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) |
| 187 | 154 158 186 | mpd3an23 | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) |
| 188 | simp-7l | |- ( ( ( ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ ) /\ u e. RR+ ) /\ v e. A ) /\ v =/= E ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> ph ) |
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| 189 | simp-4r | |- ( ( ( ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ ) /\ u e. RR+ ) /\ v e. A ) /\ v =/= E ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> v e. A ) |
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| 190 | eldifsni | |- ( C e. ( CC \ { 0 } ) -> C =/= 0 ) |
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| 191 | 5 190 | syl | |- ( ( ph /\ x e. A ) -> C =/= 0 ) |
| 192 | 4 10 191 | divcld | |- ( ( ph /\ x e. A ) -> ( B / C ) e. CC ) |
| 193 | 192 3 | fmptd | |- ( ph -> H : A --> CC ) |
| 194 | 193 | ffvelcdmda | |- ( ( ph /\ v e. A ) -> ( H ` v ) e. CC ) |
| 195 | 194 | subid1d | |- ( ( ph /\ v e. A ) -> ( ( H ` v ) - 0 ) = ( H ` v ) ) |
| 196 | nfmpt1 | |- F/_ x ( x e. A |-> ( B / C ) ) |
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| 197 | 3 196 | nfcxfr | |- F/_ x H |
| 198 | 197 165 | nffv | |- F/_ x ( H ` v ) |
| 199 | nfcv | |- F/_ x / |
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| 200 | nfmpt1 | |- F/_ x ( x e. A |-> C ) |
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| 201 | 2 200 | nfcxfr | |- F/_ x G |
| 202 | 201 165 | nffv | |- F/_ x ( G ` v ) |
| 203 | 166 199 202 | nfov | |- F/_ x ( ( F ` v ) / ( G ` v ) ) |
| 204 | 198 203 | nfeq | |- F/ x ( H ` v ) = ( ( F ` v ) / ( G ` v ) ) |
| 205 | 162 204 | nfim | |- F/ x ( ( ph /\ v e. A ) -> ( H ` v ) = ( ( F ` v ) / ( G ` v ) ) ) |
| 206 | fveq2 | |- ( x = v -> ( H ` x ) = ( H ` v ) ) |
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| 207 | fveq2 | |- ( x = v -> ( G ` x ) = ( G ` v ) ) |
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| 208 | 171 207 | oveq12d | |- ( x = v -> ( ( F ` x ) / ( G ` x ) ) = ( ( F ` v ) / ( G ` v ) ) ) |
| 209 | 206 208 | eqeq12d | |- ( x = v -> ( ( H ` x ) = ( ( F ` x ) / ( G ` x ) ) <-> ( H ` v ) = ( ( F ` v ) / ( G ` v ) ) ) ) |
| 210 | 170 209 | imbi12d | |- ( x = v -> ( ( ( ph /\ x e. A ) -> ( H ` x ) = ( ( F ` x ) / ( G ` x ) ) ) <-> ( ( ph /\ v e. A ) -> ( H ` v ) = ( ( F ` v ) / ( G ` v ) ) ) ) ) |
| 211 | 3 | fvmpt2 | |- ( ( x e. A /\ ( B / C ) e. CC ) -> ( H ` x ) = ( B / C ) ) |
| 212 | 174 192 211 | syl2anc | |- ( ( ph /\ x e. A ) -> ( H ` x ) = ( B / C ) ) |
| 213 | 176 | eqcomd | |- ( ( ph /\ x e. A ) -> B = ( F ` x ) ) |
| 214 | 2 | fvmpt2 | |- ( ( x e. A /\ C e. ( CC \ { 0 } ) ) -> ( G ` x ) = C ) |
| 215 | 174 5 214 | syl2anc | |- ( ( ph /\ x e. A ) -> ( G ` x ) = C ) |
| 216 | 215 | eqcomd | |- ( ( ph /\ x e. A ) -> C = ( G ` x ) ) |
| 217 | 213 216 | oveq12d | |- ( ( ph /\ x e. A ) -> ( B / C ) = ( ( F ` x ) / ( G ` x ) ) ) |
| 218 | 212 217 | eqtrd | |- ( ( ph /\ x e. A ) -> ( H ` x ) = ( ( F ` x ) / ( G ` x ) ) ) |
| 219 | 205 210 218 | chvarfv | |- ( ( ph /\ v e. A ) -> ( H ` v ) = ( ( F ` v ) / ( G ` v ) ) ) |
| 220 | 195 219 | eqtrd | |- ( ( ph /\ v e. A ) -> ( ( H ` v ) - 0 ) = ( ( F ` v ) / ( G ` v ) ) ) |
| 221 | 220 | fveq2d | |- ( ( ph /\ v e. A ) -> ( abs ` ( ( H ` v ) - 0 ) ) = ( abs ` ( ( F ` v ) / ( G ` v ) ) ) ) |
| 222 | 188 189 221 | syl2anc | |- ( ( ( ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ ) /\ u e. RR+ ) /\ v e. A ) /\ v =/= E ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> ( abs ` ( ( H ` v ) - 0 ) ) = ( abs ` ( ( F ` v ) / ( G ` v ) ) ) ) |
| 223 | simp-6l | |- ( ( ( ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ ) /\ u e. RR+ ) /\ v e. A ) /\ v =/= E ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> ( ph /\ y e. RR+ ) ) |
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| 224 | 223 189 | jca | |- ( ( ( ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ ) /\ u e. RR+ ) /\ v e. A ) /\ v =/= E ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> ( ( ph /\ y e. RR+ ) /\ v e. A ) ) |
| 225 | simplr | |- ( ( ( ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ ) /\ u e. RR+ ) /\ v e. A ) /\ v =/= E ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) |
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| 226 | simpr | |- ( ( ( ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ ) /\ u e. RR+ ) /\ v e. A ) /\ v =/= E ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) |
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| 227 | nfcv | |- F/_ x 0 |
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| 228 | 202 227 | nfne | |- F/ x ( G ` v ) =/= 0 |
| 229 | 162 228 | nfim | |- F/ x ( ( ph /\ v e. A ) -> ( G ` v ) =/= 0 ) |
| 230 | 207 | neeq1d | |- ( x = v -> ( ( G ` x ) =/= 0 <-> ( G ` v ) =/= 0 ) ) |
| 231 | 170 230 | imbi12d | |- ( x = v -> ( ( ( ph /\ x e. A ) -> ( G ` x ) =/= 0 ) <-> ( ( ph /\ v e. A ) -> ( G ` v ) =/= 0 ) ) ) |
| 232 | 215 191 | eqnetrd | |- ( ( ph /\ x e. A ) -> ( G ` x ) =/= 0 ) |
| 233 | 229 231 232 | chvarfv | |- ( ( ph /\ v e. A ) -> ( G ` v ) =/= 0 ) |
| 234 | 178 58 233 | absdivd | |- ( ( ph /\ v e. A ) -> ( abs ` ( ( F ` v ) / ( G ` v ) ) ) = ( ( abs ` ( F ` v ) ) / ( abs ` ( G ` v ) ) ) ) |
| 235 | 234 | adantlr | |- ( ( ( ph /\ y e. RR+ ) /\ v e. A ) -> ( abs ` ( ( F ` v ) / ( G ` v ) ) ) = ( ( abs ` ( F ` v ) ) / ( abs ` ( G ` v ) ) ) ) |
| 236 | 235 | ad2antrr | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> ( abs ` ( ( F ` v ) / ( G ` v ) ) ) = ( ( abs ` ( F ` v ) ) / ( abs ` ( G ` v ) ) ) ) |
| 237 | 178 | abscld | |- ( ( ph /\ v e. A ) -> ( abs ` ( F ` v ) ) e. RR ) |
| 238 | 58 233 | absne0d | |- ( ( ph /\ v e. A ) -> ( abs ` ( G ` v ) ) =/= 0 ) |
| 239 | 237 79 238 | redivcld | |- ( ( ph /\ v e. A ) -> ( ( abs ` ( F ` v ) ) / ( abs ` ( G ` v ) ) ) e. RR ) |
| 240 | 239 | adantlr | |- ( ( ( ph /\ y e. RR+ ) /\ v e. A ) -> ( ( abs ` ( F ` v ) ) / ( abs ` ( G ` v ) ) ) e. RR ) |
| 241 | 240 | ad2antrr | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> ( ( abs ` ( F ` v ) ) / ( abs ` ( G ` v ) ) ) e. RR ) |
| 242 | rpre | |- ( y e. RR+ -> y e. RR ) |
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| 243 | 242 | ad2antlr | |- ( ( ( ph /\ y e. RR+ ) /\ v e. A ) -> y e. RR ) |
| 244 | 21 | rpred | |- ( ph -> ( ( abs ` D ) / 2 ) e. RR ) |
| 245 | 244 | ad2antrr | |- ( ( ( ph /\ y e. RR+ ) /\ v e. A ) -> ( ( abs ` D ) / 2 ) e. RR ) |
| 246 | 243 245 | remulcld | |- ( ( ( ph /\ y e. RR+ ) /\ v e. A ) -> ( y x. ( ( abs ` D ) / 2 ) ) e. RR ) |
| 247 | 246 | ad2antrr | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> ( y x. ( ( abs ` D ) / 2 ) ) e. RR ) |
| 248 | 58 233 | absrpcld | |- ( ( ph /\ v e. A ) -> ( abs ` ( G ` v ) ) e. RR+ ) |
| 249 | 248 | adantlr | |- ( ( ( ph /\ y e. RR+ ) /\ v e. A ) -> ( abs ` ( G ` v ) ) e. RR+ ) |
| 250 | 249 | ad2antrr | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> ( abs ` ( G ` v ) ) e. RR+ ) |
| 251 | 247 250 | rerpdivcld | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> ( ( y x. ( ( abs ` D ) / 2 ) ) / ( abs ` ( G ` v ) ) ) e. RR ) |
| 252 | 243 | ad2antrr | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> y e. RR ) |
| 253 | simp-4l | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> ph ) |
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| 254 | simpllr | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> v e. A ) |
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| 255 | 253 254 237 | syl2anc | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> ( abs ` ( F ` v ) ) e. RR ) |
| 256 | simpr | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) |
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| 257 | 255 247 250 256 | ltdiv1dd | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> ( ( abs ` ( F ` v ) ) / ( abs ` ( G ` v ) ) ) < ( ( y x. ( ( abs ` D ) / 2 ) ) / ( abs ` ( G ` v ) ) ) ) |
| 258 | 243 | recnd | |- ( ( ( ph /\ y e. RR+ ) /\ v e. A ) -> y e. CC ) |
| 259 | 48 | ad2antrr | |- ( ( ( ph /\ y e. RR+ ) /\ v e. A ) -> ( ( abs ` D ) / 2 ) e. CC ) |
| 260 | 249 | rpcnd | |- ( ( ( ph /\ y e. RR+ ) /\ v e. A ) -> ( abs ` ( G ` v ) ) e. CC ) |
| 261 | 238 | adantlr | |- ( ( ( ph /\ y e. RR+ ) /\ v e. A ) -> ( abs ` ( G ` v ) ) =/= 0 ) |
| 262 | 258 259 260 261 | divassd | |- ( ( ( ph /\ y e. RR+ ) /\ v e. A ) -> ( ( y x. ( ( abs ` D ) / 2 ) ) / ( abs ` ( G ` v ) ) ) = ( y x. ( ( ( abs ` D ) / 2 ) / ( abs ` ( G ` v ) ) ) ) ) |
| 263 | 262 | adantr | |- ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) -> ( ( y x. ( ( abs ` D ) / 2 ) ) / ( abs ` ( G ` v ) ) ) = ( y x. ( ( ( abs ` D ) / 2 ) / ( abs ` ( G ` v ) ) ) ) ) |
| 264 | 245 249 | rerpdivcld | |- ( ( ( ph /\ y e. RR+ ) /\ v e. A ) -> ( ( ( abs ` D ) / 2 ) / ( abs ` ( G ` v ) ) ) e. RR ) |
| 265 | 264 | adantr | |- ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) -> ( ( ( abs ` D ) / 2 ) / ( abs ` ( G ` v ) ) ) e. RR ) |
| 266 | 1red | |- ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) -> 1 e. RR ) |
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| 267 | simpllr | |- ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) -> y e. RR+ ) |
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| 268 | 244 | ad2antrr | |- ( ( ( ph /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) -> ( ( abs ` D ) / 2 ) e. RR ) |
| 269 | 1rp | |- 1 e. RR+ |
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| 270 | 269 | a1i | |- ( ( ( ph /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) -> 1 e. RR+ ) |
| 271 | 248 | adantr | |- ( ( ( ph /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) -> ( abs ` ( G ` v ) ) e. RR+ ) |
| 272 | 48 | div1d | |- ( ph -> ( ( ( abs ` D ) / 2 ) / 1 ) = ( ( abs ` D ) / 2 ) ) |
| 273 | 272 | ad2antrr | |- ( ( ( ph /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) -> ( ( ( abs ` D ) / 2 ) / 1 ) = ( ( abs ` D ) / 2 ) ) |
| 274 | simpr | |- ( ( ( ph /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) |
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| 275 | 273 274 | eqbrtrd | |- ( ( ( ph /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) -> ( ( ( abs ` D ) / 2 ) / 1 ) < ( abs ` ( G ` v ) ) ) |
| 276 | 268 270 271 275 | ltdiv23d | |- ( ( ( ph /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) -> ( ( ( abs ` D ) / 2 ) / ( abs ` ( G ` v ) ) ) < 1 ) |
| 277 | 276 | adantllr | |- ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) -> ( ( ( abs ` D ) / 2 ) / ( abs ` ( G ` v ) ) ) < 1 ) |
| 278 | 265 266 267 277 | ltmul2dd | |- ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) -> ( y x. ( ( ( abs ` D ) / 2 ) / ( abs ` ( G ` v ) ) ) ) < ( y x. 1 ) ) |
| 279 | 263 278 | eqbrtrd | |- ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) -> ( ( y x. ( ( abs ` D ) / 2 ) ) / ( abs ` ( G ` v ) ) ) < ( y x. 1 ) ) |
| 280 | 258 | mulridd | |- ( ( ( ph /\ y e. RR+ ) /\ v e. A ) -> ( y x. 1 ) = y ) |
| 281 | 280 | adantr | |- ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) -> ( y x. 1 ) = y ) |
| 282 | 279 281 | breqtrd | |- ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) -> ( ( y x. ( ( abs ` D ) / 2 ) ) / ( abs ` ( G ` v ) ) ) < y ) |
| 283 | 282 | adantr | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> ( ( y x. ( ( abs ` D ) / 2 ) ) / ( abs ` ( G ` v ) ) ) < y ) |
| 284 | 241 251 252 257 283 | lttrd | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> ( ( abs ` ( F ` v ) ) / ( abs ` ( G ` v ) ) ) < y ) |
| 285 | 236 284 | eqbrtrd | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ v e. A ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> ( abs ` ( ( F ` v ) / ( G ` v ) ) ) < y ) |
| 286 | 224 225 226 285 | syl21anc | |- ( ( ( ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ ) /\ u e. RR+ ) /\ v e. A ) /\ v =/= E ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> ( abs ` ( ( F ` v ) / ( G ` v ) ) ) < y ) |
| 287 | 222 286 | eqbrtrd | |- ( ( ( ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ ) /\ u e. RR+ ) /\ v e. A ) /\ v =/= E ) /\ ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) /\ ( abs ` ( F ` v ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> ( abs ` ( ( H ` v ) - 0 ) ) < y ) |
| 288 | 129 151 187 287 | syl21anc | |- ( ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) /\ v e. A /\ ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) ) -> ( abs ` ( ( H ` v ) - 0 ) ) < y ) |
| 289 | 288 | 3exp | |- ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) -> ( v e. A -> ( ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) -> ( abs ` ( ( H ` v ) - 0 ) ) < y ) ) ) |
| 290 | 122 289 | ralrimi | |- ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) -> A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) -> ( abs ` ( ( H ` v ) - 0 ) ) < y ) ) |
| 291 | brimralrspcev | |- ( ( if ( z <_ u , z , u ) e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < if ( z <_ u , z , u ) ) -> ( abs ` ( ( H ` v ) - 0 ) ) < y ) ) -> E. w e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < w ) -> ( abs ` ( ( H ` v ) - 0 ) ) < y ) ) |
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| 292 | 115 290 291 | syl2anc | |- ( ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) /\ u e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) ) -> E. w e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < w ) -> ( abs ` ( ( H ` v ) - 0 ) ) < y ) ) |
| 293 | 292 | rexlimdv3a | |- ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) -> ( E. u e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < u ) -> ( abs ` ( ( F ` v ) - 0 ) ) < ( y x. ( ( abs ` D ) / 2 ) ) ) -> E. w e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < w ) -> ( abs ` ( ( H ` v ) - 0 ) ) < y ) ) ) |
| 294 | 112 293 | mpd | |- ( ( ( ph /\ y e. RR+ ) /\ z e. RR+ /\ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) ) -> E. w e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < w ) -> ( abs ` ( ( H ` v ) - 0 ) ) < y ) ) |
| 295 | 294 | rexlimdv3a | |- ( ( ph /\ y e. RR+ ) -> ( E. z e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < z ) -> ( ( abs ` D ) / 2 ) < ( abs ` ( G ` v ) ) ) -> E. w e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < w ) -> ( abs ` ( ( H ` v ) - 0 ) ) < y ) ) ) |
| 296 | 90 295 | mpd | |- ( ( ph /\ y e. RR+ ) -> E. w e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < w ) -> ( abs ` ( ( H ` v ) - 0 ) ) < y ) ) |
| 297 | 296 | ralrimiva | |- ( ph -> A. y e. RR+ E. w e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < w ) -> ( abs ` ( ( H ` v ) - 0 ) ) < y ) ) |
| 298 | 193 12 15 | ellimc3 | |- ( ph -> ( 0 e. ( H limCC E ) <-> ( 0 e. CC /\ A. y e. RR+ E. w e. RR+ A. v e. A ( ( v =/= E /\ ( abs ` ( v - E ) ) < w ) -> ( abs ` ( ( H ` v ) - 0 ) ) < y ) ) ) ) |
| 299 | 9 297 298 | mpbir2and | |- ( ph -> 0 e. ( H limCC E ) ) |