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Description: Part of proof of Lemma E in Crawley p. 113. Show that f(x) is one-to-one on P .\/ Q line. TODO: FIX COMMENT Use proof idea from cdleme32sn1awN . (Contributed by NM, 18-Mar-2013)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | cdleme40.b | |- B = ( Base ` K ) |
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| cdleme40.l | |- .<_ = ( le ` K ) |
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| cdleme40.j | |- .\/ = ( join ` K ) |
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| cdleme40.m | |- ./\ = ( meet ` K ) |
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| cdleme40.a | |- A = ( Atoms ` K ) |
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| cdleme40.h | |- H = ( LHyp ` K ) |
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| cdleme40.u | |- U = ( ( P .\/ Q ) ./\ W ) |
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| cdleme40.e | |- E = ( ( t .\/ U ) ./\ ( Q .\/ ( ( P .\/ t ) ./\ W ) ) ) |
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| cdleme40.g | |- G = ( ( P .\/ Q ) ./\ ( E .\/ ( ( s .\/ t ) ./\ W ) ) ) |
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| cdleme40.i | |- I = ( iota_ y e. B A. t e. A ( ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) -> y = G ) ) |
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| cdleme40.n | |- N = if ( s .<_ ( P .\/ Q ) , I , D ) |
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| cdleme40a1.y | |- Y = ( ( P .\/ Q ) ./\ ( E .\/ ( ( R .\/ t ) ./\ W ) ) ) |
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| cdleme40a1.c | |- C = ( iota_ y e. B A. t e. A ( ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) -> y = Y ) ) |
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| cdleme40.t | |- T = ( ( v .\/ U ) ./\ ( Q .\/ ( ( P .\/ v ) ./\ W ) ) ) |
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| cdleme40.f | |- F = ( ( P .\/ Q ) ./\ ( T .\/ ( ( S .\/ v ) ./\ W ) ) ) |
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| Assertion | cdleme40m | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) -> [_ R / s ]_ N =/= F ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cdleme40.b | |- B = ( Base ` K ) |
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| 2 | cdleme40.l | |- .<_ = ( le ` K ) |
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| 3 | cdleme40.j | |- .\/ = ( join ` K ) |
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| 4 | cdleme40.m | |- ./\ = ( meet ` K ) |
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| 5 | cdleme40.a | |- A = ( Atoms ` K ) |
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| 6 | cdleme40.h | |- H = ( LHyp ` K ) |
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| 7 | cdleme40.u | |- U = ( ( P .\/ Q ) ./\ W ) |
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| 8 | cdleme40.e | |- E = ( ( t .\/ U ) ./\ ( Q .\/ ( ( P .\/ t ) ./\ W ) ) ) |
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| 9 | cdleme40.g | |- G = ( ( P .\/ Q ) ./\ ( E .\/ ( ( s .\/ t ) ./\ W ) ) ) |
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| 10 | cdleme40.i | |- I = ( iota_ y e. B A. t e. A ( ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) -> y = G ) ) |
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| 11 | cdleme40.n | |- N = if ( s .<_ ( P .\/ Q ) , I , D ) |
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| 12 | cdleme40a1.y | |- Y = ( ( P .\/ Q ) ./\ ( E .\/ ( ( R .\/ t ) ./\ W ) ) ) |
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| 13 | cdleme40a1.c | |- C = ( iota_ y e. B A. t e. A ( ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) -> y = Y ) ) |
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| 14 | cdleme40.t | |- T = ( ( v .\/ U ) ./\ ( Q .\/ ( ( P .\/ v ) ./\ W ) ) ) |
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| 15 | cdleme40.f | |- F = ( ( P .\/ Q ) ./\ ( T .\/ ( ( S .\/ v ) ./\ W ) ) ) |
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| 16 | simp22l | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) -> R e. A ) |
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| 17 | simp3l1 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) -> R .<_ ( P .\/ Q ) ) |
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| 18 | 9 10 11 12 13 | cdleme31sn1c | |- ( ( R e. A /\ R .<_ ( P .\/ Q ) ) -> [_ R / s ]_ N = C ) |
| 19 | 16 17 18 | syl2anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) -> [_ R / s ]_ N = C ) |
| 20 | 1 | fvexi | |- B e. _V |
| 21 | 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 ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) |
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| 22 | nfra1 | |- F/ t A. t e. A ( ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) -> y = Y ) |
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| 23 | nfcv | |- F/_ t B |
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| 24 | 22 23 | nfriota | |- F/_ t ( iota_ y e. B A. t e. A ( ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) -> y = Y ) ) |
| 25 | 13 24 | nfcxfr | |- F/_ t C |
| 26 | nfcv | |- F/_ t F |
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| 27 | 25 26 | nfne | |- F/ t C =/= F |
| 28 | 27 | a1i | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) -> F/ t C =/= F ) |
| 29 | 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 ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) -> C = ( iota_ y e. B A. t e. A ( ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) -> y = Y ) ) ) |
| 30 | neeq1 | |- ( Y = C -> ( Y =/= F <-> C =/= F ) ) |
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| 31 | 30 | adantl | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) /\ Y = C ) -> ( Y =/= F <-> C =/= F ) ) |
| 32 | simpl1 | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( 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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| 33 | simpl2 | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) /\ ( t e. A /\ ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) ) ) -> ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) ) |
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| 34 | simpl3l | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) /\ ( t e. A /\ ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) ) ) -> ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) ) |
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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 ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( 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 ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) /\ ( t e. A /\ ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) ) ) -> -. t .<_ W ) |
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| 37 | simprrr | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) /\ ( t e. A /\ ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) ) ) -> -. t .<_ ( P .\/ Q ) ) |
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| 38 | 35 36 37 | jca31 | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) /\ ( t e. A /\ ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) ) ) -> ( ( t e. A /\ -. t .<_ W ) /\ -. t .<_ ( P .\/ Q ) ) ) |
| 39 | simp3r1 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) -> v e. A ) |
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| 40 | simp3r2 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) -> -. v .<_ W ) |
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| 41 | simp3r3 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) -> -. v .<_ ( P .\/ Q ) ) |
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| 42 | 39 40 41 | jca31 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) -> ( ( v e. A /\ -. v .<_ W ) /\ -. v .<_ ( P .\/ Q ) ) ) |
| 43 | 42 | adantr | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) /\ ( t e. A /\ ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) ) ) -> ( ( v e. A /\ -. v .<_ W ) /\ -. v .<_ ( P .\/ Q ) ) ) |
| 44 | 2 3 4 5 6 7 8 12 14 15 | cdleme39n | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( ( t e. A /\ -. t .<_ W ) /\ -. t .<_ ( P .\/ Q ) ) /\ ( ( v e. A /\ -. v .<_ W ) /\ -. v .<_ ( P .\/ Q ) ) ) ) -> Y =/= F ) |
| 45 | 32 33 34 38 43 44 | syl113anc | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) /\ ( t e. A /\ ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) ) ) -> Y =/= F ) |
| 46 | 45 | ex | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) -> ( ( t e. A /\ ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) ) -> Y =/= F ) ) |
| 47 | simp1 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) -> ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) ) |
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| 48 | simp22r | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) -> -. R .<_ W ) |
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| 49 | simp21 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) -> P =/= Q ) |
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| 50 | 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 ) ) ) -> C e. B ) |
| 51 | 47 16 48 49 17 50 | syl122anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) -> C e. B ) |
| 52 | simp11 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) -> ( K e. HL /\ W e. H ) ) |
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| 53 | simp12 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) -> ( P e. A /\ -. P .<_ W ) ) |
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| 54 | simp13 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) -> ( Q e. A /\ -. Q .<_ W ) ) |
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| 55 | 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 ) ) ) |
| 56 | 52 53 54 49 55 | syl121anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) -> E. t e. A ( -. t .<_ W /\ -. t .<_ ( P .\/ Q ) ) ) |
| 57 | 21 28 29 31 46 51 56 | riotasv3d | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) /\ B e. _V ) -> C =/= F ) |
| 58 | 20 57 | mpan2 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) -> C =/= F ) |
| 59 | 19 58 | eqnetrd | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) /\ ( S e. A /\ -. S .<_ W ) ) /\ ( ( R .<_ ( P .\/ Q ) /\ S .<_ ( P .\/ Q ) /\ R =/= S ) /\ ( v e. A /\ -. v .<_ W /\ -. v .<_ ( P .\/ Q ) ) ) ) -> [_ R / s ]_ N =/= F ) |