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| Mirrors > Home > MPE Home > Th. List > Mathboxes > cdleme17d | Structured version Visualization version GIF version | ||
| Description: Part of proof of Lemma E in [Crawley] p. 114, first part of 4th paragraph. We show, in their notation, fs(p)=q. TODO FIX COMMENT. (Contributed by NM, 11-Apr-2013.) |
| Ref | Expression |
|---|---|
| cdlemef46.b | ⊢ 𝐵 = (Base‘𝐾) |
| cdlemef46.l | ⊢ ≤ = (le‘𝐾) |
| cdlemef46.j | ⊢ ∨ = (join‘𝐾) |
| cdlemef46.m | ⊢ ∧ = (meet‘𝐾) |
| cdlemef46.a | ⊢ 𝐴 = (Atoms‘𝐾) |
| cdlemef46.h | ⊢ 𝐻 = (LHyp‘𝐾) |
| cdlemef46.u | ⊢ 𝑈 = ((𝑃 ∨ 𝑄) ∧ 𝑊) |
| cdlemef46.d | ⊢ 𝐷 = ((𝑡 ∨ 𝑈) ∧ (𝑄 ∨ ((𝑃 ∨ 𝑡) ∧ 𝑊))) |
| cdlemefs46.e | ⊢ 𝐸 = ((𝑃 ∨ 𝑄) ∧ (𝐷 ∨ ((𝑠 ∨ 𝑡) ∧ 𝑊))) |
| cdlemef46.f | ⊢ 𝐹 = (𝑥 ∈ 𝐵 ↦ if((𝑃 ≠ 𝑄 ∧ ¬ 𝑥 ≤ 𝑊), (℩𝑧 ∈ 𝐵 ∀𝑠 ∈ 𝐴 ((¬ 𝑠 ≤ 𝑊 ∧ (𝑠 ∨ (𝑥 ∧ 𝑊)) = 𝑥) → 𝑧 = (if(𝑠 ≤ (𝑃 ∨ 𝑄), (℩𝑦 ∈ 𝐵 ∀𝑡 ∈ 𝐴 ((¬ 𝑡 ≤ 𝑊 ∧ ¬ 𝑡 ≤ (𝑃 ∨ 𝑄)) → 𝑦 = 𝐸)), ⦋𝑠 / 𝑡⦌𝐷) ∨ (𝑥 ∧ 𝑊)))), 𝑥)) |
| Ref | Expression |
|---|---|
| cdleme17d | ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) → (𝐹‘𝑃) = 𝑄) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cdlemef46.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
| 2 | cdlemef46.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 3 | cdlemef46.j | . . 3 ⊢ ∨ = (join‘𝐾) | |
| 4 | cdlemef46.m | . . 3 ⊢ ∧ = (meet‘𝐾) | |
| 5 | cdlemef46.a | . . 3 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 6 | cdlemef46.h | . . 3 ⊢ 𝐻 = (LHyp‘𝐾) | |
| 7 | cdlemef46.u | . . 3 ⊢ 𝑈 = ((𝑃 ∨ 𝑄) ∧ 𝑊) | |
| 8 | cdlemef46.d | . . 3 ⊢ 𝐷 = ((𝑡 ∨ 𝑈) ∧ (𝑄 ∨ ((𝑃 ∨ 𝑡) ∧ 𝑊))) | |
| 9 | cdlemefs46.e | . . 3 ⊢ 𝐸 = ((𝑃 ∨ 𝑄) ∧ (𝐷 ∨ ((𝑠 ∨ 𝑡) ∧ 𝑊))) | |
| 10 | cdlemef46.f | . . 3 ⊢ 𝐹 = (𝑥 ∈ 𝐵 ↦ if((𝑃 ≠ 𝑄 ∧ ¬ 𝑥 ≤ 𝑊), (℩𝑧 ∈ 𝐵 ∀𝑠 ∈ 𝐴 ((¬ 𝑠 ≤ 𝑊 ∧ (𝑠 ∨ (𝑥 ∧ 𝑊)) = 𝑥) → 𝑧 = (if(𝑠 ≤ (𝑃 ∨ 𝑄), (℩𝑦 ∈ 𝐵 ∀𝑡 ∈ 𝐴 ((¬ 𝑡 ≤ 𝑊 ∧ ¬ 𝑡 ≤ (𝑃 ∨ 𝑄)) → 𝑦 = 𝐸)), ⦋𝑠 / 𝑡⦌𝐷) ∨ (𝑥 ∧ 𝑊)))), 𝑥)) | |
| 11 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 | cdleme17d4 41329 | . 2 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ 𝑃 = 𝑄) → (𝐹‘𝑃) = 𝑄) |
| 12 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 | cdleme17d3 41328 | . 2 ⊢ ((((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ 𝑃 ≠ 𝑄) → (𝐹‘𝑃) = 𝑄) |
| 13 | 11, 12 | pm2.61dane 3047 | 1 ⊢ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) → (𝐹‘𝑃) = 𝑄) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2146 ≠ wne 2960 ∀wral 3081 ⦋csb 3854 ifcif 4489 class class class wbr 5111 ↦ cmpt 5194 ‘cfv 6540 ℩crio 7375 (class class class)co 7419 Basecbs 17291 lecple 17339 joincjn 18389 meetcmee 18390 Atomscatm 40095 HLchlt 40182 LHypclh 40816 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2148 ax-9 2156 ax-10 2179 ax-11 2195 ax-12 2216 ax-ext 2737 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5338 ax-pr 5406 ax-un 7742 ax-riotaBAD 39785 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-ral 3082 df-rex 3092 df-rmo 3371 df-reu 3372 df-rab 3419 df-v 3459 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4287 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4875 df-iun 4960 df-iin 4961 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6496 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7376 df-ov 7422 df-oprab 7423 df-mpo 7424 df-1st 7992 df-2nd 7993 df-undef 8275 df-proset 18372 df-poset 18391 df-plt 18406 df-lub 18422 df-glb 18423 df-join 18424 df-meet 18425 df-p0 18501 df-p1 18502 df-lat 18510 df-clat 18577 df-oposet 40008 df-ol 40010 df-oml 40011 df-covers 40098 df-ats 40099 df-atl 40130 df-cvlat 40154 df-hlat 40183 df-llines 40330 df-lplanes 40331 df-lvols 40332 df-lines 40333 df-psubsp 40335 df-pmap 40336 df-padd 40628 df-lhyp 40820 |
| This theorem is used by: cdleme50ex 41391 cdlemg1a 41402 |
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