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Description: Lemma 2 for bgoldbtbnd . (Contributed by AV, 1-Aug-2020)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | bgoldbtbnd.m | |- ( ph -> M e. ( ZZ>= ` ; 1 1 ) ) |
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| bgoldbtbnd.n | |- ( ph -> N e. ( ZZ>= ` ; 1 1 ) ) |
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| bgoldbtbnd.b | |- ( ph -> A. n e. Even ( ( 4 < n /\ n < N ) -> n e. GoldbachEven ) ) |
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| bgoldbtbnd.d | |- ( ph -> D e. ( ZZ>= ` 3 ) ) |
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| bgoldbtbnd.f | |- ( ph -> F e. ( RePart ` D ) ) |
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| bgoldbtbnd.i | |- ( ph -> A. i e. ( 0 ..^ D ) ( ( F ` i ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( i + 1 ) ) - ( F ` i ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( i + 1 ) ) - ( F ` i ) ) ) ) |
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| bgoldbtbnd.0 | |- ( ph -> ( F ` 0 ) = 7 ) |
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| bgoldbtbnd.1 | |- ( ph -> ( F ` 1 ) = ; 1 3 ) |
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| bgoldbtbnd.l | |- ( ph -> M < ( F ` D ) ) |
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| bgoldbtbndlem2.s | |- S = ( X - ( F ` ( I - 1 ) ) ) |
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| Assertion | bgoldbtbndlem2 | |- ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) -> ( S e. Even /\ S < N /\ 4 < S ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | bgoldbtbnd.m | |- ( ph -> M e. ( ZZ>= ` ; 1 1 ) ) |
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| 2 | bgoldbtbnd.n | |- ( ph -> N e. ( ZZ>= ` ; 1 1 ) ) |
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| 3 | bgoldbtbnd.b | |- ( ph -> A. n e. Even ( ( 4 < n /\ n < N ) -> n e. GoldbachEven ) ) |
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| 4 | bgoldbtbnd.d | |- ( ph -> D e. ( ZZ>= ` 3 ) ) |
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| 5 | bgoldbtbnd.f | |- ( ph -> F e. ( RePart ` D ) ) |
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| 6 | bgoldbtbnd.i | |- ( ph -> A. i e. ( 0 ..^ D ) ( ( F ` i ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( i + 1 ) ) - ( F ` i ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( i + 1 ) ) - ( F ` i ) ) ) ) |
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| 7 | bgoldbtbnd.0 | |- ( ph -> ( F ` 0 ) = 7 ) |
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| 8 | bgoldbtbnd.1 | |- ( ph -> ( F ` 1 ) = ; 1 3 ) |
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| 9 | bgoldbtbnd.l | |- ( ph -> M < ( F ` D ) ) |
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| 10 | bgoldbtbndlem2.s | |- S = ( X - ( F ` ( I - 1 ) ) ) |
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| 11 | elfzoelz | |- ( I e. ( 1 ..^ D ) -> I e. ZZ ) |
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| 12 | elfzoel2 | |- ( I e. ( 1 ..^ D ) -> D e. ZZ ) |
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| 13 | elfzom1b | |- ( ( I e. ZZ /\ D e. ZZ ) -> ( I e. ( 1 ..^ D ) <-> ( I - 1 ) e. ( 0 ..^ ( D - 1 ) ) ) ) |
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| 14 | fzossrbm1 | |- ( D e. ZZ -> ( 0 ..^ ( D - 1 ) ) C_ ( 0 ..^ D ) ) |
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| 15 | 14 | adantl | |- ( ( I e. ZZ /\ D e. ZZ ) -> ( 0 ..^ ( D - 1 ) ) C_ ( 0 ..^ D ) ) |
| 16 | 15 | sseld | |- ( ( I e. ZZ /\ D e. ZZ ) -> ( ( I - 1 ) e. ( 0 ..^ ( D - 1 ) ) -> ( I - 1 ) e. ( 0 ..^ D ) ) ) |
| 17 | 13 16 | sylbid | |- ( ( I e. ZZ /\ D e. ZZ ) -> ( I e. ( 1 ..^ D ) -> ( I - 1 ) e. ( 0 ..^ D ) ) ) |
| 18 | 17 | com12 | |- ( I e. ( 1 ..^ D ) -> ( ( I e. ZZ /\ D e. ZZ ) -> ( I - 1 ) e. ( 0 ..^ D ) ) ) |
| 19 | 11 12 18 | mp2and | |- ( I e. ( 1 ..^ D ) -> ( I - 1 ) e. ( 0 ..^ D ) ) |
| 20 | fveq2 | |- ( i = ( I - 1 ) -> ( F ` i ) = ( F ` ( I - 1 ) ) ) |
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| 21 | 20 | eleq1d | |- ( i = ( I - 1 ) -> ( ( F ` i ) e. ( Prime \ { 2 } ) <-> ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) ) ) |
| 22 | fvoveq1 | |- ( i = ( I - 1 ) -> ( F ` ( i + 1 ) ) = ( F ` ( ( I - 1 ) + 1 ) ) ) |
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| 23 | 22 20 | oveq12d | |- ( i = ( I - 1 ) -> ( ( F ` ( i + 1 ) ) - ( F ` i ) ) = ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) |
| 24 | 23 | breq1d | |- ( i = ( I - 1 ) -> ( ( ( F ` ( i + 1 ) ) - ( F ` i ) ) < ( N - 4 ) <-> ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) ) ) |
| 25 | 23 | breq2d | |- ( i = ( I - 1 ) -> ( 4 < ( ( F ` ( i + 1 ) ) - ( F ` i ) ) <-> 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) |
| 26 | 21 24 25 | 3anbi123d | |- ( i = ( I - 1 ) -> ( ( ( F ` i ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( i + 1 ) ) - ( F ` i ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( i + 1 ) ) - ( F ` i ) ) ) <-> ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) ) |
| 27 | 26 | rspcv | |- ( ( I - 1 ) e. ( 0 ..^ D ) -> ( A. i e. ( 0 ..^ D ) ( ( F ` i ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( i + 1 ) ) - ( F ` i ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( i + 1 ) ) - ( F ` i ) ) ) -> ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) ) |
| 28 | 19 27 | syl | |- ( I e. ( 1 ..^ D ) -> ( A. i e. ( 0 ..^ D ) ( ( F ` i ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( i + 1 ) ) - ( F ` i ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( i + 1 ) ) - ( F ` i ) ) ) -> ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) ) |
| 29 | 6 28 | syl5com | |- ( ph -> ( I e. ( 1 ..^ D ) -> ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) ) |
| 30 | 29 | a1d | |- ( ph -> ( X e. Odd -> ( I e. ( 1 ..^ D ) -> ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) ) ) |
| 31 | 30 | 3imp | |- ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) |
| 32 | simp2 | |- ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> X e. Odd ) |
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| 33 | oddprmALTV | |- ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) -> ( F ` ( I - 1 ) ) e. Odd ) |
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| 34 | 33 | 3ad2ant1 | |- ( ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) -> ( F ` ( I - 1 ) ) e. Odd ) |
| 35 | 32 34 | anim12i | |- ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) -> ( X e. Odd /\ ( F ` ( I - 1 ) ) e. Odd ) ) |
| 36 | 35 | adantr | |- ( ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) /\ ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) ) -> ( X e. Odd /\ ( F ` ( I - 1 ) ) e. Odd ) ) |
| 37 | omoeALTV | |- ( ( X e. Odd /\ ( F ` ( I - 1 ) ) e. Odd ) -> ( X - ( F ` ( I - 1 ) ) ) e. Even ) |
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| 38 | 36 37 | syl | |- ( ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) /\ ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) ) -> ( X - ( F ` ( I - 1 ) ) ) e. Even ) |
| 39 | 10 38 | eqeltrid | |- ( ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) /\ ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) ) -> S e. Even ) |
| 40 | 11 | zcnd | |- ( I e. ( 1 ..^ D ) -> I e. CC ) |
| 41 | 40 | 3ad2ant3 | |- ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> I e. CC ) |
| 42 | npcan1 | |- ( I e. CC -> ( ( I - 1 ) + 1 ) = I ) |
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| 43 | 41 42 | syl | |- ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( ( I - 1 ) + 1 ) = I ) |
| 44 | 43 | fveq2d | |- ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( F ` ( ( I - 1 ) + 1 ) ) = ( F ` I ) ) |
| 45 | 44 | oveq1d | |- ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) = ( ( F ` I ) - ( F ` ( I - 1 ) ) ) ) |
| 46 | 45 | breq1d | |- ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) <-> ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) ) ) |
| 47 | 46 | adantr | |- ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) ) -> ( ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) <-> ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) ) ) |
| 48 | eldifi | |- ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) -> ( F ` ( I - 1 ) ) e. Prime ) |
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| 49 | prmz | |- ( ( F ` ( I - 1 ) ) e. Prime -> ( F ` ( I - 1 ) ) e. ZZ ) |
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| 50 | zre | |- ( ( F ` ( I - 1 ) ) e. ZZ -> ( F ` ( I - 1 ) ) e. RR ) |
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| 51 | simp1 | |- ( ( ( F ` i ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( i + 1 ) ) - ( F ` i ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( i + 1 ) ) - ( F ` i ) ) ) -> ( F ` i ) e. ( Prime \ { 2 } ) ) |
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| 52 | 51 | ralimi | |- ( A. i e. ( 0 ..^ D ) ( ( F ` i ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( i + 1 ) ) - ( F ` i ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( i + 1 ) ) - ( F ` i ) ) ) -> A. i e. ( 0 ..^ D ) ( F ` i ) e. ( Prime \ { 2 } ) ) |
| 53 | fzo0ss1 | |- ( 1 ..^ D ) C_ ( 0 ..^ D ) |
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| 54 | 53 | sseli | |- ( I e. ( 1 ..^ D ) -> I e. ( 0 ..^ D ) ) |
| 55 | 54 | adantl | |- ( ( ph /\ I e. ( 1 ..^ D ) ) -> I e. ( 0 ..^ D ) ) |
| 56 | fveq2 | |- ( i = I -> ( F ` i ) = ( F ` I ) ) |
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| 57 | 56 | eleq1d | |- ( i = I -> ( ( F ` i ) e. ( Prime \ { 2 } ) <-> ( F ` I ) e. ( Prime \ { 2 } ) ) ) |
| 58 | 57 | rspcv | |- ( I e. ( 0 ..^ D ) -> ( A. i e. ( 0 ..^ D ) ( F ` i ) e. ( Prime \ { 2 } ) -> ( F ` I ) e. ( Prime \ { 2 } ) ) ) |
| 59 | 55 58 | syl | |- ( ( ph /\ I e. ( 1 ..^ D ) ) -> ( A. i e. ( 0 ..^ D ) ( F ` i ) e. ( Prime \ { 2 } ) -> ( F ` I ) e. ( Prime \ { 2 } ) ) ) |
| 60 | 59 | ex | |- ( ph -> ( I e. ( 1 ..^ D ) -> ( A. i e. ( 0 ..^ D ) ( F ` i ) e. ( Prime \ { 2 } ) -> ( F ` I ) e. ( Prime \ { 2 } ) ) ) ) |
| 61 | 60 | com23 | |- ( ph -> ( A. i e. ( 0 ..^ D ) ( F ` i ) e. ( Prime \ { 2 } ) -> ( I e. ( 1 ..^ D ) -> ( F ` I ) e. ( Prime \ { 2 } ) ) ) ) |
| 62 | 61 | a1i | |- ( X e. Odd -> ( ph -> ( A. i e. ( 0 ..^ D ) ( F ` i ) e. ( Prime \ { 2 } ) -> ( I e. ( 1 ..^ D ) -> ( F ` I ) e. ( Prime \ { 2 } ) ) ) ) ) |
| 63 | 62 | com13 | |- ( A. i e. ( 0 ..^ D ) ( F ` i ) e. ( Prime \ { 2 } ) -> ( ph -> ( X e. Odd -> ( I e. ( 1 ..^ D ) -> ( F ` I ) e. ( Prime \ { 2 } ) ) ) ) ) |
| 64 | 52 63 | syl | |- ( A. i e. ( 0 ..^ D ) ( ( F ` i ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( i + 1 ) ) - ( F ` i ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( i + 1 ) ) - ( F ` i ) ) ) -> ( ph -> ( X e. Odd -> ( I e. ( 1 ..^ D ) -> ( F ` I ) e. ( Prime \ { 2 } ) ) ) ) ) |
| 65 | 6 64 | mpcom | |- ( ph -> ( X e. Odd -> ( I e. ( 1 ..^ D ) -> ( F ` I ) e. ( Prime \ { 2 } ) ) ) ) |
| 66 | 65 | 3imp | |- ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( F ` I ) e. ( Prime \ { 2 } ) ) |
| 67 | eldifi | |- ( ( F ` I ) e. ( Prime \ { 2 } ) -> ( F ` I ) e. Prime ) |
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| 68 | prmz | |- ( ( F ` I ) e. Prime -> ( F ` I ) e. ZZ ) |
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| 69 | zre | |- ( ( F ` I ) e. ZZ -> ( F ` I ) e. RR ) |
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| 70 | eluzelz | |- ( N e. ( ZZ>= ` ; 1 1 ) -> N e. ZZ ) |
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| 71 | zre | |- ( N e. ZZ -> N e. RR ) |
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| 72 | oddz | |- ( X e. Odd -> X e. ZZ ) |
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| 73 | 72 | zred | |- ( X e. Odd -> X e. RR ) |
| 74 | simplr | |- ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) -> X e. RR ) |
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| 75 | simprl | |- ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) -> ( F ` I ) e. RR ) |
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| 76 | 4re | |- 4 e. RR |
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| 77 | 76 | a1i | |- ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) -> 4 e. RR ) |
| 78 | 74 75 77 | lesubaddd | |- ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) -> ( ( X - ( F ` I ) ) <_ 4 <-> X <_ ( 4 + ( F ` I ) ) ) ) |
| 79 | simpllr | |- ( ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) /\ ( X <_ ( 4 + ( F ` I ) ) /\ ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) ) ) -> X e. RR ) |
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| 80 | simplrr | |- ( ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) /\ ( X <_ ( 4 + ( F ` I ) ) /\ ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) ) ) -> ( F ` ( I - 1 ) ) e. RR ) |
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| 81 | 79 80 | resubcld | |- ( ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) /\ ( X <_ ( 4 + ( F ` I ) ) /\ ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) ) ) -> ( X - ( F ` ( I - 1 ) ) ) e. RR ) |
| 82 | 76 | a1i | |- ( ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) /\ ( X <_ ( 4 + ( F ` I ) ) /\ ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) ) ) -> 4 e. RR ) |
| 83 | simplrl | |- ( ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) /\ ( X <_ ( 4 + ( F ` I ) ) /\ ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) ) ) -> ( F ` I ) e. RR ) |
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| 84 | 82 83 | readdcld | |- ( ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) /\ ( X <_ ( 4 + ( F ` I ) ) /\ ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) ) ) -> ( 4 + ( F ` I ) ) e. RR ) |
| 85 | 84 80 | resubcld | |- ( ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) /\ ( X <_ ( 4 + ( F ` I ) ) /\ ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) ) ) -> ( ( 4 + ( F ` I ) ) - ( F ` ( I - 1 ) ) ) e. RR ) |
| 86 | simplll | |- ( ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) /\ ( X <_ ( 4 + ( F ` I ) ) /\ ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) ) ) -> N e. RR ) |
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| 87 | 77 75 | readdcld | |- ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) -> ( 4 + ( F ` I ) ) e. RR ) |
| 88 | simprr | |- ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) -> ( F ` ( I - 1 ) ) e. RR ) |
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| 89 | 74 87 88 | lesub1d | |- ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) -> ( X <_ ( 4 + ( F ` I ) ) <-> ( X - ( F ` ( I - 1 ) ) ) <_ ( ( 4 + ( F ` I ) ) - ( F ` ( I - 1 ) ) ) ) ) |
| 90 | 89 | biimpa | |- ( ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) /\ X <_ ( 4 + ( F ` I ) ) ) -> ( X - ( F ` ( I - 1 ) ) ) <_ ( ( 4 + ( F ` I ) ) - ( F ` ( I - 1 ) ) ) ) |
| 91 | 90 | adantrr | |- ( ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) /\ ( X <_ ( 4 + ( F ` I ) ) /\ ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) ) ) -> ( X - ( F ` ( I - 1 ) ) ) <_ ( ( 4 + ( F ` I ) ) - ( F ` ( I - 1 ) ) ) ) |
| 92 | resubcl | |- ( ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) -> ( ( F ` I ) - ( F ` ( I - 1 ) ) ) e. RR ) |
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| 93 | 92 | adantl | |- ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) -> ( ( F ` I ) - ( F ` ( I - 1 ) ) ) e. RR ) |
| 94 | simpll | |- ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) -> N e. RR ) |
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| 95 | ltaddsub2 | |- ( ( 4 e. RR /\ ( ( F ` I ) - ( F ` ( I - 1 ) ) ) e. RR /\ N e. RR ) -> ( ( 4 + ( ( F ` I ) - ( F ` ( I - 1 ) ) ) ) < N <-> ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) ) ) |
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| 96 | 95 | bicomd | |- ( ( 4 e. RR /\ ( ( F ` I ) - ( F ` ( I - 1 ) ) ) e. RR /\ N e. RR ) -> ( ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) <-> ( 4 + ( ( F ` I ) - ( F ` ( I - 1 ) ) ) ) < N ) ) |
| 97 | 77 93 94 96 | syl3anc | |- ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) -> ( ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) <-> ( 4 + ( ( F ` I ) - ( F ` ( I - 1 ) ) ) ) < N ) ) |
| 98 | 97 | biimpd | |- ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) -> ( ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) -> ( 4 + ( ( F ` I ) - ( F ` ( I - 1 ) ) ) ) < N ) ) |
| 99 | 98 | adantld | |- ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) -> ( ( X <_ ( 4 + ( F ` I ) ) /\ ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) ) -> ( 4 + ( ( F ` I ) - ( F ` ( I - 1 ) ) ) ) < N ) ) |
| 100 | 99 | imp | |- ( ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) /\ ( X <_ ( 4 + ( F ` I ) ) /\ ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) ) ) -> ( 4 + ( ( F ` I ) - ( F ` ( I - 1 ) ) ) ) < N ) |
| 101 | 4cn | |- 4 e. CC |
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| 102 | 101 | a1i | |- ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) -> 4 e. CC ) |
| 103 | 75 | recnd | |- ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) -> ( F ` I ) e. CC ) |
| 104 | recn | |- ( ( F ` ( I - 1 ) ) e. RR -> ( F ` ( I - 1 ) ) e. CC ) |
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| 105 | 104 | adantl | |- ( ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) -> ( F ` ( I - 1 ) ) e. CC ) |
| 106 | 105 | adantl | |- ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) -> ( F ` ( I - 1 ) ) e. CC ) |
| 107 | 102 103 106 | addsubassd | |- ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) -> ( ( 4 + ( F ` I ) ) - ( F ` ( I - 1 ) ) ) = ( 4 + ( ( F ` I ) - ( F ` ( I - 1 ) ) ) ) ) |
| 108 | 107 | breq1d | |- ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) -> ( ( ( 4 + ( F ` I ) ) - ( F ` ( I - 1 ) ) ) < N <-> ( 4 + ( ( F ` I ) - ( F ` ( I - 1 ) ) ) ) < N ) ) |
| 109 | 108 | adantr | |- ( ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) /\ ( X <_ ( 4 + ( F ` I ) ) /\ ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) ) ) -> ( ( ( 4 + ( F ` I ) ) - ( F ` ( I - 1 ) ) ) < N <-> ( 4 + ( ( F ` I ) - ( F ` ( I - 1 ) ) ) ) < N ) ) |
| 110 | 100 109 | mpbird | |- ( ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) /\ ( X <_ ( 4 + ( F ` I ) ) /\ ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) ) ) -> ( ( 4 + ( F ` I ) ) - ( F ` ( I - 1 ) ) ) < N ) |
| 111 | 81 85 86 91 110 | lelttrd | |- ( ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) /\ ( X <_ ( 4 + ( F ` I ) ) /\ ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) ) ) -> ( X - ( F ` ( I - 1 ) ) ) < N ) |
| 112 | 111 | exp32 | |- ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) -> ( X <_ ( 4 + ( F ` I ) ) -> ( ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) ) |
| 113 | 78 112 | sylbid | |- ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) -> ( ( X - ( F ` I ) ) <_ 4 -> ( ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) ) |
| 114 | 113 | com23 | |- ( ( ( N e. RR /\ X e. RR ) /\ ( ( F ` I ) e. RR /\ ( F ` ( I - 1 ) ) e. RR ) ) -> ( ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) -> ( ( X - ( F ` I ) ) <_ 4 -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) ) |
| 115 | 114 | exp32 | |- ( ( N e. RR /\ X e. RR ) -> ( ( F ` I ) e. RR -> ( ( F ` ( I - 1 ) ) e. RR -> ( ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) -> ( ( X - ( F ` I ) ) <_ 4 -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) ) ) ) |
| 116 | 73 115 | sylan2 | |- ( ( N e. RR /\ X e. Odd ) -> ( ( F ` I ) e. RR -> ( ( F ` ( I - 1 ) ) e. RR -> ( ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) -> ( ( X - ( F ` I ) ) <_ 4 -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) ) ) ) |
| 117 | 116 | ex | |- ( N e. RR -> ( X e. Odd -> ( ( F ` I ) e. RR -> ( ( F ` ( I - 1 ) ) e. RR -> ( ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) -> ( ( X - ( F ` I ) ) <_ 4 -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) ) ) ) ) |
| 118 | 2 70 71 117 | 4syl | |- ( ph -> ( X e. Odd -> ( ( F ` I ) e. RR -> ( ( F ` ( I - 1 ) ) e. RR -> ( ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) -> ( ( X - ( F ` I ) ) <_ 4 -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) ) ) ) ) |
| 119 | 118 | imp | |- ( ( ph /\ X e. Odd ) -> ( ( F ` I ) e. RR -> ( ( F ` ( I - 1 ) ) e. RR -> ( ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) -> ( ( X - ( F ` I ) ) <_ 4 -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) ) ) ) |
| 120 | 119 | 3adant3 | |- ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( ( F ` I ) e. RR -> ( ( F ` ( I - 1 ) ) e. RR -> ( ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) -> ( ( X - ( F ` I ) ) <_ 4 -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) ) ) ) |
| 121 | 69 120 | syl5com | |- ( ( F ` I ) e. ZZ -> ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( ( F ` ( I - 1 ) ) e. RR -> ( ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) -> ( ( X - ( F ` I ) ) <_ 4 -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) ) ) ) |
| 122 | 67 68 121 | 3syl | |- ( ( F ` I ) e. ( Prime \ { 2 } ) -> ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( ( F ` ( I - 1 ) ) e. RR -> ( ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) -> ( ( X - ( F ` I ) ) <_ 4 -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) ) ) ) |
| 123 | 66 122 | mpcom | |- ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( ( F ` ( I - 1 ) ) e. RR -> ( ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) -> ( ( X - ( F ` I ) ) <_ 4 -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) ) ) |
| 124 | 50 123 | syl5com | |- ( ( F ` ( I - 1 ) ) e. ZZ -> ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) -> ( ( X - ( F ` I ) ) <_ 4 -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) ) ) |
| 125 | 48 49 124 | 3syl | |- ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) -> ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) -> ( ( X - ( F ` I ) ) <_ 4 -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) ) ) |
| 126 | 125 | impcom | |- ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) ) -> ( ( ( F ` I ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) -> ( ( X - ( F ` I ) ) <_ 4 -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) ) |
| 127 | 47 126 | sylbid | |- ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) ) -> ( ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) -> ( ( X - ( F ` I ) ) <_ 4 -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) ) |
| 128 | 127 | expcom | |- ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) -> ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) -> ( ( X - ( F ` I ) ) <_ 4 -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) ) ) |
| 129 | 128 | com23 | |- ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) -> ( ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) -> ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( ( X - ( F ` I ) ) <_ 4 -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) ) ) |
| 130 | 129 | imp | |- ( ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) ) -> ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( ( X - ( F ` I ) ) <_ 4 -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) ) |
| 131 | 130 | 3adant3 | |- ( ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) -> ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( ( X - ( F ` I ) ) <_ 4 -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) ) |
| 132 | 131 | impcom | |- ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) -> ( ( X - ( F ` I ) ) <_ 4 -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) |
| 133 | 132 | com12 | |- ( ( X - ( F ` I ) ) <_ 4 -> ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) |
| 134 | 133 | adantl | |- ( ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) -> ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) -> ( X - ( F ` ( I - 1 ) ) ) < N ) ) |
| 135 | 134 | impcom | |- ( ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) /\ ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) ) -> ( X - ( F ` ( I - 1 ) ) ) < N ) |
| 136 | 10 135 | eqbrtrid | |- ( ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) /\ ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) ) -> S < N ) |
| 137 | 76 | a1i | |- ( ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) /\ ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) ) -> 4 e. RR ) |
| 138 | 1eluzge0 | |- 1 e. ( ZZ>= ` 0 ) |
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| 139 | fzoss1 | |- ( 1 e. ( ZZ>= ` 0 ) -> ( 1 ..^ D ) C_ ( 0 ..^ D ) ) |
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| 140 | 138 139 | mp1i | |- ( ph -> ( 1 ..^ D ) C_ ( 0 ..^ D ) ) |
| 141 | 140 | sselda | |- ( ( ph /\ I e. ( 1 ..^ D ) ) -> I e. ( 0 ..^ D ) ) |
| 142 | fvoveq1 | |- ( i = I -> ( F ` ( i + 1 ) ) = ( F ` ( I + 1 ) ) ) |
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| 143 | 142 56 | oveq12d | |- ( i = I -> ( ( F ` ( i + 1 ) ) - ( F ` i ) ) = ( ( F ` ( I + 1 ) ) - ( F ` I ) ) ) |
| 144 | 143 | breq1d | |- ( i = I -> ( ( ( F ` ( i + 1 ) ) - ( F ` i ) ) < ( N - 4 ) <-> ( ( F ` ( I + 1 ) ) - ( F ` I ) ) < ( N - 4 ) ) ) |
| 145 | 143 | breq2d | |- ( i = I -> ( 4 < ( ( F ` ( i + 1 ) ) - ( F ` i ) ) <-> 4 < ( ( F ` ( I + 1 ) ) - ( F ` I ) ) ) ) |
| 146 | 57 144 145 | 3anbi123d | |- ( i = I -> ( ( ( F ` i ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( i + 1 ) ) - ( F ` i ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( i + 1 ) ) - ( F ` i ) ) ) <-> ( ( F ` I ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( I + 1 ) ) - ( F ` I ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( I + 1 ) ) - ( F ` I ) ) ) ) ) |
| 147 | 146 | rspcv | |- ( I e. ( 0 ..^ D ) -> ( A. i e. ( 0 ..^ D ) ( ( F ` i ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( i + 1 ) ) - ( F ` i ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( i + 1 ) ) - ( F ` i ) ) ) -> ( ( F ` I ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( I + 1 ) ) - ( F ` I ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( I + 1 ) ) - ( F ` I ) ) ) ) ) |
| 148 | 141 147 | syl | |- ( ( ph /\ I e. ( 1 ..^ D ) ) -> ( A. i e. ( 0 ..^ D ) ( ( F ` i ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( i + 1 ) ) - ( F ` i ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( i + 1 ) ) - ( F ` i ) ) ) -> ( ( F ` I ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( I + 1 ) ) - ( F ` I ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( I + 1 ) ) - ( F ` I ) ) ) ) ) |
| 149 | 68 | zred | |- ( ( F ` I ) e. Prime -> ( F ` I ) e. RR ) |
| 150 | 67 149 | syl | |- ( ( F ` I ) e. ( Prime \ { 2 } ) -> ( F ` I ) e. RR ) |
| 151 | 150 | 3ad2ant1 | |- ( ( ( F ` I ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( I + 1 ) ) - ( F ` I ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( I + 1 ) ) - ( F ` I ) ) ) -> ( F ` I ) e. RR ) |
| 152 | 148 151 | syl6 | |- ( ( ph /\ I e. ( 1 ..^ D ) ) -> ( A. i e. ( 0 ..^ D ) ( ( F ` i ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( i + 1 ) ) - ( F ` i ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( i + 1 ) ) - ( F ` i ) ) ) -> ( F ` I ) e. RR ) ) |
| 153 | 152 | ex | |- ( ph -> ( I e. ( 1 ..^ D ) -> ( A. i e. ( 0 ..^ D ) ( ( F ` i ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( i + 1 ) ) - ( F ` i ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( i + 1 ) ) - ( F ` i ) ) ) -> ( F ` I ) e. RR ) ) ) |
| 154 | 6 153 | mpid | |- ( ph -> ( I e. ( 1 ..^ D ) -> ( F ` I ) e. RR ) ) |
| 155 | 154 | imp | |- ( ( ph /\ I e. ( 1 ..^ D ) ) -> ( F ` I ) e. RR ) |
| 156 | 155 | 3adant2 | |- ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( F ` I ) e. RR ) |
| 157 | 156 | ad2antrr | |- ( ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) /\ ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) ) -> ( F ` I ) e. RR ) |
| 158 | 49 | zred | |- ( ( F ` ( I - 1 ) ) e. Prime -> ( F ` ( I - 1 ) ) e. RR ) |
| 159 | 48 158 | syl | |- ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) -> ( F ` ( I - 1 ) ) e. RR ) |
| 160 | 159 | 3ad2ant1 | |- ( ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) -> ( F ` ( I - 1 ) ) e. RR ) |
| 161 | 160 | ad2antlr | |- ( ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) /\ ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) ) -> ( F ` ( I - 1 ) ) e. RR ) |
| 162 | 157 161 | resubcld | |- ( ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) /\ ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) ) -> ( ( F ` I ) - ( F ` ( I - 1 ) ) ) e. RR ) |
| 163 | 73 | 3ad2ant2 | |- ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> X e. RR ) |
| 164 | resubcl | |- ( ( X e. RR /\ ( F ` ( I - 1 ) ) e. RR ) -> ( X - ( F ` ( I - 1 ) ) ) e. RR ) |
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| 165 | 163 160 164 | syl2an | |- ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) -> ( X - ( F ` ( I - 1 ) ) ) e. RR ) |
| 166 | 165 | adantr | |- ( ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) /\ ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) ) -> ( X - ( F ` ( I - 1 ) ) ) e. RR ) |
| 167 | 40 42 | syl | |- ( I e. ( 1 ..^ D ) -> ( ( I - 1 ) + 1 ) = I ) |
| 168 | 167 | 3ad2ant3 | |- ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( ( I - 1 ) + 1 ) = I ) |
| 169 | 168 | fveq2d | |- ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( F ` ( ( I - 1 ) + 1 ) ) = ( F ` I ) ) |
| 170 | 169 | oveq1d | |- ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) = ( ( F ` I ) - ( F ` ( I - 1 ) ) ) ) |
| 171 | 170 | breq2d | |- ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) <-> 4 < ( ( F ` I ) - ( F ` ( I - 1 ) ) ) ) ) |
| 172 | 171 | biimpcd | |- ( 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) -> ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> 4 < ( ( F ` I ) - ( F ` ( I - 1 ) ) ) ) ) |
| 173 | 172 | 3ad2ant3 | |- ( ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) -> ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> 4 < ( ( F ` I ) - ( F ` ( I - 1 ) ) ) ) ) |
| 174 | 173 | impcom | |- ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) -> 4 < ( ( F ` I ) - ( F ` ( I - 1 ) ) ) ) |
| 175 | 174 | adantr | |- ( ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) /\ ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) ) -> 4 < ( ( F ` I ) - ( F ` ( I - 1 ) ) ) ) |
| 176 | 163 | ad2antrr | |- ( ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) /\ ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) ) -> X e. RR ) |
| 177 | eluz3nn | |- ( D e. ( ZZ>= ` 3 ) -> D e. NN ) |
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| 178 | 4 177 | syl | |- ( ph -> D e. NN ) |
| 179 | 178 | adantr | |- ( ( ph /\ I e. ( 1 ..^ D ) ) -> D e. NN ) |
| 180 | 5 | adantr | |- ( ( ph /\ I e. ( 1 ..^ D ) ) -> F e. ( RePart ` D ) ) |
| 181 | 138 139 | mp1i | |- ( D e. ( ZZ>= ` 3 ) -> ( 1 ..^ D ) C_ ( 0 ..^ D ) ) |
| 182 | fzossfz | |- ( 0 ..^ D ) C_ ( 0 ... D ) |
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| 183 | 181 182 | sstrdi | |- ( D e. ( ZZ>= ` 3 ) -> ( 1 ..^ D ) C_ ( 0 ... D ) ) |
| 184 | 4 183 | syl | |- ( ph -> ( 1 ..^ D ) C_ ( 0 ... D ) ) |
| 185 | 184 | sselda | |- ( ( ph /\ I e. ( 1 ..^ D ) ) -> I e. ( 0 ... D ) ) |
| 186 | 179 180 185 | iccpartxr | |- ( ( ph /\ I e. ( 1 ..^ D ) ) -> ( F ` I ) e. RR* ) |
| 187 | fzofzp1 | |- ( I e. ( 0 ..^ D ) -> ( I + 1 ) e. ( 0 ... D ) ) |
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| 188 | 141 187 | syl | |- ( ( ph /\ I e. ( 1 ..^ D ) ) -> ( I + 1 ) e. ( 0 ... D ) ) |
| 189 | 179 180 188 | iccpartxr | |- ( ( ph /\ I e. ( 1 ..^ D ) ) -> ( F ` ( I + 1 ) ) e. RR* ) |
| 190 | 186 189 | jca | |- ( ( ph /\ I e. ( 1 ..^ D ) ) -> ( ( F ` I ) e. RR* /\ ( F ` ( I + 1 ) ) e. RR* ) ) |
| 191 | 190 | 3adant2 | |- ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( ( F ` I ) e. RR* /\ ( F ` ( I + 1 ) ) e. RR* ) ) |
| 192 | elico1 | |- ( ( ( F ` I ) e. RR* /\ ( F ` ( I + 1 ) ) e. RR* ) -> ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) <-> ( X e. RR* /\ ( F ` I ) <_ X /\ X < ( F ` ( I + 1 ) ) ) ) ) |
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| 193 | 191 192 | syl | |- ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) <-> ( X e. RR* /\ ( F ` I ) <_ X /\ X < ( F ` ( I + 1 ) ) ) ) ) |
| 194 | simp2 | |- ( ( X e. RR* /\ ( F ` I ) <_ X /\ X < ( F ` ( I + 1 ) ) ) -> ( F ` I ) <_ X ) |
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| 195 | 193 194 | biimtrdi | |- ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) -> ( F ` I ) <_ X ) ) |
| 196 | 195 | adantrd | |- ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) -> ( F ` I ) <_ X ) ) |
| 197 | 196 | adantr | |- ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) -> ( ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) -> ( F ` I ) <_ X ) ) |
| 198 | 197 | imp | |- ( ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) /\ ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) ) -> ( F ` I ) <_ X ) |
| 199 | 157 176 161 198 | lesub1dd | |- ( ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) /\ ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) ) -> ( ( F ` I ) - ( F ` ( I - 1 ) ) ) <_ ( X - ( F ` ( I - 1 ) ) ) ) |
| 200 | 137 162 166 175 199 | ltletrd | |- ( ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) /\ ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) ) -> 4 < ( X - ( F ` ( I - 1 ) ) ) ) |
| 201 | 200 10 | breqtrrdi | |- ( ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) /\ ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) ) -> 4 < S ) |
| 202 | 39 136 201 | 3jca | |- ( ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) /\ ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) ) -> ( S e. Even /\ S < N /\ 4 < S ) ) |
| 203 | 202 | ex | |- ( ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) /\ ( ( F ` ( I - 1 ) ) e. ( Prime \ { 2 } ) /\ ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) < ( N - 4 ) /\ 4 < ( ( F ` ( ( I - 1 ) + 1 ) ) - ( F ` ( I - 1 ) ) ) ) ) -> ( ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) -> ( S e. Even /\ S < N /\ 4 < S ) ) ) |
| 204 | 31 203 | mpdan | |- ( ( ph /\ X e. Odd /\ I e. ( 1 ..^ D ) ) -> ( ( X e. ( ( F ` I ) [,) ( F ` ( I + 1 ) ) ) /\ ( X - ( F ` I ) ) <_ 4 ) -> ( S e. Even /\ S < N /\ 4 < S ) ) ) |