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| Mirrors > Home > MPE Home > Th. List > Mathboxes > cdleme9b | Structured version Visualization version GIF version | ||
| Description: Utility lemma for Lemma E in [Crawley] p. 113. (Contributed by NM, 9-Oct-2012.) |
| Ref | Expression |
|---|---|
| cdleme9b.b | ⊢ 𝐵 = (Base‘𝐾) |
| cdleme9b.j | ⊢ ∨ = (join‘𝐾) |
| cdleme9b.m | ⊢ ∧ = (meet‘𝐾) |
| cdleme9b.a | ⊢ 𝐴 = (Atoms‘𝐾) |
| cdleme9b.h | ⊢ 𝐻 = (LHyp‘𝐾) |
| cdleme9b.c | ⊢ 𝐶 = ((𝑃 ∨ 𝑆) ∧ 𝑊) |
| Ref | Expression |
|---|---|
| cdleme9b | ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴 ∧ 𝑊 ∈ 𝐻)) → 𝐶 ∈ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cdleme9b.c | . 2 ⊢ 𝐶 = ((𝑃 ∨ 𝑆) ∧ 𝑊) | |
| 2 | hllat 39562 | . . . 4 ⊢ (𝐾 ∈ HL → 𝐾 ∈ Lat) | |
| 3 | 2 | adantr 480 | . . 3 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴 ∧ 𝑊 ∈ 𝐻)) → 𝐾 ∈ Lat) |
| 4 | cdleme9b.b | . . . . 5 ⊢ 𝐵 = (Base‘𝐾) | |
| 5 | cdleme9b.j | . . . . 5 ⊢ ∨ = (join‘𝐾) | |
| 6 | cdleme9b.a | . . . . 5 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 7 | 4, 5, 6 | hlatjcl 39566 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑃 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴) → (𝑃 ∨ 𝑆) ∈ 𝐵) |
| 8 | 7 | 3adant3r3 1185 | . . 3 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴 ∧ 𝑊 ∈ 𝐻)) → (𝑃 ∨ 𝑆) ∈ 𝐵) |
| 9 | simpr3 1197 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴 ∧ 𝑊 ∈ 𝐻)) → 𝑊 ∈ 𝐻) | |
| 10 | cdleme9b.h | . . . . 5 ⊢ 𝐻 = (LHyp‘𝐾) | |
| 11 | 4, 10 | lhpbase 40197 | . . . 4 ⊢ (𝑊 ∈ 𝐻 → 𝑊 ∈ 𝐵) |
| 12 | 9, 11 | syl 17 | . . 3 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴 ∧ 𝑊 ∈ 𝐻)) → 𝑊 ∈ 𝐵) |
| 13 | cdleme9b.m | . . . 4 ⊢ ∧ = (meet‘𝐾) | |
| 14 | 4, 13 | latmcl 18361 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ (𝑃 ∨ 𝑆) ∈ 𝐵 ∧ 𝑊 ∈ 𝐵) → ((𝑃 ∨ 𝑆) ∧ 𝑊) ∈ 𝐵) |
| 15 | 3, 8, 12, 14 | syl3anc 1373 | . 2 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴 ∧ 𝑊 ∈ 𝐻)) → ((𝑃 ∨ 𝑆) ∧ 𝑊) ∈ 𝐵) |
| 16 | 1, 15 | eqeltrid 2838 | 1 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑆 ∈ 𝐴 ∧ 𝑊 ∈ 𝐻)) → 𝐶 ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1086 = wceq 1541 ∈ wcel 2113 ‘cfv 6490 (class class class)co 7356 Basecbs 17134 joincjn 18232 meetcmee 18233 Latclat 18352 Atomscatm 39462 HLchlt 39549 LHypclh 40183 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-rep 5222 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 ax-un 7678 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-ral 3050 df-rex 3059 df-rmo 3348 df-reu 3349 df-rab 3398 df-v 3440 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-op 4585 df-uni 4862 df-iun 4946 df-br 5097 df-opab 5159 df-mpt 5178 df-id 5517 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-riota 7313 df-ov 7359 df-oprab 7360 df-lub 18265 df-glb 18266 df-join 18267 df-meet 18268 df-lat 18353 df-ats 39466 df-atl 39497 df-cvlat 39521 df-hlat 39550 df-lhyp 40187 |
| This theorem is referenced by: cdleme15b 40474 cdleme17b 40486 |
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