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Description: Show that [_ R / s ]_ N is an atom not under W when R .<_ ( P .\/ Q ) . (Contributed by NM, 24-Mar-2013)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | cdlemefs32.b | |- B = ( Base ` K ) |
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| cdlemefs32.l | |- .<_ = ( le ` K ) |
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| cdlemefs32.j | |- .\/ = ( join ` K ) |
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| cdlemefs32.m | |- ./\ = ( meet ` K ) |
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| cdlemefs32.a | |- A = ( Atoms ` K ) |
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| cdlemefs32.h | |- H = ( LHyp ` K ) |
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| cdlemefs32.u | |- U = ( ( P .\/ Q ) ./\ W ) |
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| cdlemefs32.d | |- D = ( ( t .\/ U ) ./\ ( Q .\/ ( ( P .\/ t ) ./\ W ) ) ) |
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| cdlemefs32.e | |- E = ( ( P .\/ Q ) ./\ ( D .\/ ( ( s .\/ t ) ./\ W ) ) ) |
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| cdlemefs32.i | |- I = ( iota_ y e. B A. t e. A ( ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) -> y = E ) ) |
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| cdlemefs32.n | |- N = if ( s .<_ ( P .\/ Q ) , I , C ) |
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| cdlemefs32a1.y | |- Y = ( ( P .\/ Q ) ./\ ( D .\/ ( ( R .\/ t ) ./\ W ) ) ) |
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| cdlemefs32a1.z | |- Z = ( iota_ y e. B A. t e. A ( ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) -> y = Y ) ) |
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| Assertion | cdlemefs32sn1aw | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) -> ( [_ R / s ]_ N e. A /\ -. [_ R / s ]_ N .<_ W ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cdlemefs32.b | |- B = ( Base ` K ) |
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| 2 | cdlemefs32.l | |- .<_ = ( le ` K ) |
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| 3 | cdlemefs32.j | |- .\/ = ( join ` K ) |
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| 4 | cdlemefs32.m | |- ./\ = ( meet ` K ) |
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| 5 | cdlemefs32.a | |- A = ( Atoms ` K ) |
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| 6 | cdlemefs32.h | |- H = ( LHyp ` K ) |
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| 7 | cdlemefs32.u | |- U = ( ( P .\/ Q ) ./\ W ) |
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| 8 | cdlemefs32.d | |- D = ( ( t .\/ U ) ./\ ( Q .\/ ( ( P .\/ t ) ./\ W ) ) ) |
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| 9 | cdlemefs32.e | |- E = ( ( P .\/ Q ) ./\ ( D .\/ ( ( s .\/ t ) ./\ W ) ) ) |
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| 10 | cdlemefs32.i | |- I = ( iota_ y e. B A. t e. A ( ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) -> y = E ) ) |
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| 11 | cdlemefs32.n | |- N = if ( s .<_ ( P .\/ Q ) , I , C ) |
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| 12 | cdlemefs32a1.y | |- Y = ( ( P .\/ Q ) ./\ ( D .\/ ( ( R .\/ t ) ./\ W ) ) ) |
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| 13 | cdlemefs32a1.z | |- Z = ( iota_ y e. B A. t e. A ( ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) -> y = Y ) ) |
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| 14 | 1 | fvexi | |- B e. _V |
| 15 | nfv | |- F/ t ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) |
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| 16 | nfra1 | |- F/ t A. t e. A ( ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) -> y = Y ) |
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| 17 | nfcv | |- F/_ t B |
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| 18 | 16 17 | nfriota | |- F/_ t ( iota_ y e. B A. t e. A ( ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) -> y = Y ) ) |
| 19 | 13 18 | nfcxfr | |- F/_ t Z |
| 20 | 19 | nfel1 | |- F/ t Z e. A |
| 21 | nfcv | |- F/_ t .<_ |
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| 22 | nfcv | |- F/_ t W |
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| 23 | 19 21 22 | nfbr | |- F/ t Z .<_ W |
| 24 | 23 | nfn | |- F/ t -. Z .<_ W |
| 25 | 20 24 | nfan | |- F/ t ( Z e. A /\ -. Z .<_ W ) |
| 26 | 25 | a1i | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) -> F/ t ( Z e. A /\ -. Z .<_ W ) ) |
| 27 | 13 | a1i | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) -> Z = ( iota_ y e. B A. t e. A ( ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) -> y = Y ) ) ) |
| 28 | eleq1 | |- ( Y = Z -> ( Y e. A <-> Z e. A ) ) |
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| 29 | breq1 | |- ( Y = Z -> ( Y .<_ W <-> Z .<_ W ) ) |
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| 30 | 29 | notbid | |- ( Y = Z -> ( -. Y .<_ W <-> -. Z .<_ W ) ) |
| 31 | 28 30 | anbi12d | |- ( Y = Z -> ( ( Y e. A /\ -. Y .<_ W ) <-> ( Z e. A /\ -. Z .<_ W ) ) ) |
| 32 | 31 | adantl | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) /\ Y = Z ) -> ( ( Y e. A /\ -. Y .<_ W ) <-> ( Z e. A /\ -. Z .<_ W ) ) ) |
| 33 | simpl1 | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) /\ ( t e. A /\ ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) ) ) -> ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) ) |
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| 34 | simpl2r | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) /\ ( t e. A /\ ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) ) ) -> ( R e. A /\ -. R .<_ W ) ) |
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| 35 | simprl | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) /\ ( t e. A /\ ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) ) ) -> t e. A ) |
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| 36 | simprrl | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) /\ ( t e. A /\ ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) ) ) -> -. t .<_ W ) |
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| 37 | 35 36 | jca | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) /\ ( t e. A /\ ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) ) ) -> ( t e. A /\ -. t .<_ W ) ) |
| 38 | simpl2l | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) /\ ( t e. A /\ ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) ) ) -> P =/= Q ) |
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| 39 | simpl3 | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) /\ ( t e. A /\ ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) ) ) -> R .<_ ( P .\/ Q ) ) |
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| 40 | simprrr | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) /\ ( t e. A /\ ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) ) ) -> -. t .<_ ( P .\/ Q ) ) |
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| 41 | 2 3 4 5 6 7 8 12 | cdleme7ga | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( ( R e. A /\ -. R .<_ W ) /\ ( t e. A /\ -. t .<_ W ) ) /\ ( P =/= Q /\ R .<_ ( P .\/ Q ) /\ -. t .<_ ( P .\/ Q ) ) ) -> Y e. A ) |
| 42 | 2 3 4 5 6 7 8 12 | cdleme7 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( ( R e. A /\ -. R .<_ W ) /\ ( t e. A /\ -. t .<_ W ) ) /\ ( P =/= Q /\ R .<_ ( P .\/ Q ) /\ -. t .<_ ( P .\/ Q ) ) ) -> -. Y .<_ W ) |
| 43 | 41 42 | jca | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( ( R e. A /\ -. R .<_ W ) /\ ( t e. A /\ -. t .<_ W ) ) /\ ( P =/= Q /\ R .<_ ( P .\/ Q ) /\ -. t .<_ ( P .\/ Q ) ) ) -> ( Y e. A /\ -. Y .<_ W ) ) |
| 44 | 33 34 37 38 39 40 43 | syl123anc | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) /\ ( t e. A /\ ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) ) ) -> ( Y e. A /\ -. Y .<_ W ) ) |
| 45 | 44 | ex | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) -> ( ( t e. A /\ ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) ) -> ( Y e. A /\ -. Y .<_ W ) ) ) |
| 46 | simp1 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) -> ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) ) |
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| 47 | simp2rl | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) -> R e. A ) |
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| 48 | simp2rr | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) -> -. R .<_ W ) |
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| 49 | simp2l | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) -> P =/= Q ) |
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| 50 | simp3 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) -> R .<_ ( P .\/ Q ) ) |
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| 51 | 1 2 3 4 5 6 7 8 12 13 | cdleme25cl | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( R e. A /\ -. R .<_ W ) /\ ( P =/= Q /\ R .<_ ( P .\/ Q ) ) ) -> Z e. B ) |
| 52 | 46 47 48 49 50 51 | syl122anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) -> Z e. B ) |
| 53 | simp11 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) -> ( K e. HL /\ W e. H ) ) |
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| 54 | simp12 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) -> ( P e. A /\ -. P .<_ W ) ) |
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| 55 | simp13 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) -> ( Q e. A /\ -. Q .<_ W ) ) |
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| 56 | 2 3 5 6 | cdlemb2 | |- ( ( ( K e. HL /\ W e. H ) /\ ( ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ P =/= Q ) -> E. t e. A ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) ) |
| 57 | 53 54 55 49 56 | syl121anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) -> E. t e. A ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) ) |
| 58 | 15 26 27 32 45 52 57 | riotasv3d | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) /\ B e. _V ) -> ( Z e. A /\ -. Z .<_ W ) ) |
| 59 | 14 58 | mpan2 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) -> ( Z e. A /\ -. Z .<_ W ) ) |
| 60 | 9 10 11 12 13 | cdleme31sn1c | |- ( ( R e. A /\ R .<_ ( P .\/ Q ) ) -> [_ R / s ]_ N = Z ) |
| 61 | 47 50 60 | syl2anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) -> [_ R / s ]_ N = Z ) |
| 62 | 61 | eleq1d | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) -> ( [_ R / s ]_ N e. A <-> Z e. A ) ) |
| 63 | 61 | breq1d | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) -> ( [_ R / s ]_ N .<_ W <-> Z .<_ W ) ) |
| 64 | 63 | notbid | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) -> ( -. [_ R / s ]_ N .<_ W <-> -. Z .<_ W ) ) |
| 65 | 62 64 | anbi12d | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) -> ( ( [_ R / s ]_ N e. A /\ -. [_ R / s ]_ N .<_ W ) <-> ( Z e. A /\ -. Z .<_ W ) ) ) |
| 66 | 59 65 | mpbird | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ R .<_ ( P .\/ Q ) ) -> ( [_ R / s ]_ N e. A /\ -. [_ R / s ]_ N .<_ W ) ) |