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Description: TODO: FIX COMMENT. (Contributed by NM, 29-Mar-2013)
| Ref | Expression | ||
|---|---|---|---|
| Hypotheses | cdlemefrs27.b | |- B = ( Base ` K ) |
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| cdlemefrs27.l | |- .<_ = ( le ` K ) |
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| cdlemefrs27.j | |- .\/ = ( join ` K ) |
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| cdlemefrs27.m | |- ./\ = ( meet ` K ) |
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| cdlemefrs27.a | |- A = ( Atoms ` K ) |
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| cdlemefrs27.h | |- H = ( LHyp ` K ) |
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| cdlemefrs27.eq | |- ( s = R -> ( ph <-> ps ) ) |
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| cdlemefrs27.nb | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ P =/= Q /\ ( s e. A /\ ( -. s .<_ W /\ ph ) ) ) -> N e. B ) |
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| cdlemefrs27.rnb | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) -> [_ R / s ]_ N e. B ) |
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| Assertion | cdlemefrs29cpre1 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) -> E! z e. B A. s e. A ( ( ( -. s .<_ W /\ ph ) /\ ( s .\/ ( R ./\ W ) ) = R ) -> z = ( N .\/ ( R ./\ W ) ) ) ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cdlemefrs27.b | |- B = ( Base ` K ) |
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| 2 | cdlemefrs27.l | |- .<_ = ( le ` K ) |
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| 3 | cdlemefrs27.j | |- .\/ = ( join ` K ) |
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| 4 | cdlemefrs27.m | |- ./\ = ( meet ` K ) |
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| 5 | cdlemefrs27.a | |- A = ( Atoms ` K ) |
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| 6 | cdlemefrs27.h | |- H = ( LHyp ` K ) |
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| 7 | cdlemefrs27.eq | |- ( s = R -> ( ph <-> ps ) ) |
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| 8 | cdlemefrs27.nb | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ P =/= Q /\ ( s e. A /\ ( -. s .<_ W /\ ph ) ) ) -> N e. B ) |
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| 9 | cdlemefrs27.rnb | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) -> [_ R / s ]_ N e. B ) |
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| 10 | 1 2 3 4 5 6 7 8 9 | cdlemefrs29bpre1 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) -> E. z e. B A. s e. A ( ( ( -. s .<_ W /\ ph ) /\ ( s .\/ ( R ./\ W ) ) = R ) -> z = ( N .\/ ( R ./\ W ) ) ) ) |
| 11 | simp11 | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) -> ( K e. HL /\ W e. H ) ) |
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| 12 | simp2rl | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) -> R e. A ) |
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| 13 | 1 5 | atbase | |- ( R e. A -> R e. B ) |
| 14 | 12 13 | syl | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) -> R e. B ) |
| 15 | simp2rr | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) -> -. R .<_ W ) |
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| 16 | 1 2 3 4 5 6 | lhpmcvr2 | |- ( ( ( K e. HL /\ W e. H ) /\ ( R e. B /\ -. R .<_ W ) ) -> E. s e. A ( -. s .<_ W /\ ( s .\/ ( R ./\ W ) ) = R ) ) |
| 17 | 11 14 15 16 | syl12anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) -> E. s e. A ( -. s .<_ W /\ ( s .\/ ( R ./\ W ) ) = R ) ) |
| 18 | simpl3 | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) /\ s e. A ) -> ps ) |
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| 19 | 7 | pm5.32ri | |- ( ( ph /\ s = R ) <-> ( ps /\ s = R ) ) |
| 20 | 19 | baibr | |- ( ps -> ( s = R <-> ( ph /\ s = R ) ) ) |
| 21 | 18 20 | syl | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) /\ s e. A ) -> ( s = R <-> ( ph /\ s = R ) ) ) |
| 22 | simp2r | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) -> ( R e. A /\ -. R .<_ W ) ) |
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| 23 | eqid | |- ( 0. ` K ) = ( 0. ` K ) |
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| 24 | 2 4 23 5 6 | lhpmat | |- ( ( ( K e. HL /\ W e. H ) /\ ( R e. A /\ -. R .<_ W ) ) -> ( R ./\ W ) = ( 0. ` K ) ) |
| 25 | 11 22 24 | syl2anc | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) -> ( R ./\ W ) = ( 0. ` K ) ) |
| 26 | 25 | adantr | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) /\ s e. A ) -> ( R ./\ W ) = ( 0. ` K ) ) |
| 27 | 26 | oveq2d | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) /\ s e. A ) -> ( s .\/ ( R ./\ W ) ) = ( s .\/ ( 0. ` K ) ) ) |
| 28 | simp11l | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) -> K e. HL ) |
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| 29 | hlol | |- ( K e. HL -> K e. OL ) |
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| 30 | 28 29 | syl | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) -> K e. OL ) |
| 31 | 1 5 | atbase | |- ( s e. A -> s e. B ) |
| 32 | 1 3 23 | olj01 | |- ( ( K e. OL /\ s e. B ) -> ( s .\/ ( 0. ` K ) ) = s ) |
| 33 | 30 31 32 | syl2an | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) /\ s e. A ) -> ( s .\/ ( 0. ` K ) ) = s ) |
| 34 | 27 33 | eqtrd | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) /\ s e. A ) -> ( s .\/ ( R ./\ W ) ) = s ) |
| 35 | 34 | eqeq1d | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) /\ s e. A ) -> ( ( s .\/ ( R ./\ W ) ) = R <-> s = R ) ) |
| 36 | 35 | anbi2d | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) /\ s e. A ) -> ( ( ph /\ ( s .\/ ( R ./\ W ) ) = R ) <-> ( ph /\ s = R ) ) ) |
| 37 | 21 35 36 | 3bitr4d | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) /\ s e. A ) -> ( ( s .\/ ( R ./\ W ) ) = R <-> ( ph /\ ( s .\/ ( R ./\ W ) ) = R ) ) ) |
| 38 | 37 | anbi2d | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) /\ s e. A ) -> ( ( -. s .<_ W /\ ( s .\/ ( R ./\ W ) ) = R ) <-> ( -. s .<_ W /\ ( ph /\ ( s .\/ ( R ./\ W ) ) = R ) ) ) ) |
| 39 | anass | |- ( ( ( -. s .<_ W /\ ph ) /\ ( s .\/ ( R ./\ W ) ) = R ) <-> ( -. s .<_ W /\ ( ph /\ ( s .\/ ( R ./\ W ) ) = R ) ) ) |
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| 40 | 38 39 | bitr4di | |- ( ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) /\ s e. A ) -> ( ( -. s .<_ W /\ ( s .\/ ( R ./\ W ) ) = R ) <-> ( ( -. s .<_ W /\ ph ) /\ ( s .\/ ( R ./\ W ) ) = R ) ) ) |
| 41 | 40 | rexbidva | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) -> ( E. s e. A ( -. s .<_ W /\ ( s .\/ ( R ./\ W ) ) = R ) <-> E. s e. A ( ( -. s .<_ W /\ ph ) /\ ( s .\/ ( R ./\ W ) ) = R ) ) ) |
| 42 | 17 41 | mpbid | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) -> E. s e. A ( ( -. s .<_ W /\ ph ) /\ ( s .\/ ( R ./\ W ) ) = R ) ) |
| 43 | reusv1 | |- ( E. s e. A ( ( -. s .<_ W /\ ph ) /\ ( s .\/ ( R ./\ W ) ) = R ) -> ( E! z e. B A. s e. A ( ( ( -. s .<_ W /\ ph ) /\ ( s .\/ ( R ./\ W ) ) = R ) -> z = ( N .\/ ( R ./\ W ) ) ) <-> E. z e. B A. s e. A ( ( ( -. s .<_ W /\ ph ) /\ ( s .\/ ( R ./\ W ) ) = R ) -> z = ( N .\/ ( R ./\ W ) ) ) ) ) |
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| 44 | 42 43 | syl | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) -> ( E! z e. B A. s e. A ( ( ( -. s .<_ W /\ ph ) /\ ( s .\/ ( R ./\ W ) ) = R ) -> z = ( N .\/ ( R ./\ W ) ) ) <-> E. z e. B A. s e. A ( ( ( -. s .<_ W /\ ph ) /\ ( s .\/ ( R ./\ W ) ) = R ) -> z = ( N .\/ ( R ./\ W ) ) ) ) ) |
| 45 | 10 44 | mpbird | |- ( ( ( ( K e. HL /\ W e. H ) /\ ( P e. A /\ -. P .<_ W ) /\ ( Q e. A /\ -. Q .<_ W ) ) /\ ( P =/= Q /\ ( R e. A /\ -. R .<_ W ) ) /\ ps ) -> E! z e. B A. s e. A ( ( ( -. s .<_ W /\ ph ) /\ ( s .\/ ( R ./\ W ) ) = R ) -> z = ( N .\/ ( R ./\ W ) ) ) ) |