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| Mirrors > Home > MPE Home > Th. List > Mathboxes > 4atexlemqtb | Structured version Visualization version GIF version | ||
| Description: Lemma for 4atexlem7 40370. (Contributed by NM, 24-Nov-2012.) |
| Ref | Expression |
|---|---|
| 4thatlem.ph | ⊢ (𝜑 ↔ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ (𝑆 ∈ 𝐴 ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ∧ (𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅)) ∧ (𝑇 ∈ 𝐴 ∧ (𝑈 ∨ 𝑇) = (𝑉 ∨ 𝑇))) ∧ (𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄)))) |
| 4thatlempqb.j | ⊢ ∨ = (join‘𝐾) |
| 4thatlempqb.a | ⊢ 𝐴 = (Atoms‘𝐾) |
| Ref | Expression |
|---|---|
| 4atexlemqtb | ⊢ (𝜑 → (𝑄 ∨ 𝑇) ∈ (Base‘𝐾)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 4thatlem.ph | . . 3 ⊢ (𝜑 ↔ (((𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻) ∧ (𝑃 ∈ 𝐴 ∧ ¬ 𝑃 ≤ 𝑊) ∧ (𝑄 ∈ 𝐴 ∧ ¬ 𝑄 ≤ 𝑊)) ∧ (𝑆 ∈ 𝐴 ∧ (𝑅 ∈ 𝐴 ∧ ¬ 𝑅 ≤ 𝑊 ∧ (𝑃 ∨ 𝑅) = (𝑄 ∨ 𝑅)) ∧ (𝑇 ∈ 𝐴 ∧ (𝑈 ∨ 𝑇) = (𝑉 ∨ 𝑇))) ∧ (𝑃 ≠ 𝑄 ∧ ¬ 𝑆 ≤ (𝑃 ∨ 𝑄)))) | |
| 2 | 1 | 4atexlemk 40342 | . 2 ⊢ (𝜑 → 𝐾 ∈ HL) |
| 3 | 1 | 4atexlemq 40346 | . 2 ⊢ (𝜑 → 𝑄 ∈ 𝐴) |
| 4 | 1 | 4atexlemt 40348 | . 2 ⊢ (𝜑 → 𝑇 ∈ 𝐴) |
| 5 | eqid 2735 | . . 3 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
| 6 | 4thatlempqb.j | . . 3 ⊢ ∨ = (join‘𝐾) | |
| 7 | 4thatlempqb.a | . . 3 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 8 | 5, 6, 7 | hlatjcl 39662 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑄 ∈ 𝐴 ∧ 𝑇 ∈ 𝐴) → (𝑄 ∨ 𝑇) ∈ (Base‘𝐾)) |
| 9 | 2, 3, 4, 8 | syl3anc 1374 | 1 ⊢ (𝜑 → (𝑄 ∨ 𝑇) ∈ (Base‘𝐾)) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ↔ wb 206 ∧ wa 395 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 ≠ wne 2931 class class class wbr 5097 ‘cfv 6491 (class class class)co 7358 Basecbs 17138 joincjn 18236 Atomscatm 39558 HLchlt 39645 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2183 ax-ext 2707 ax-rep 5223 ax-sep 5240 ax-nul 5250 ax-pow 5309 ax-pr 5376 ax-un 7680 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2538 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2810 df-nfc 2884 df-ne 2932 df-ral 3051 df-rex 3060 df-rmo 3349 df-reu 3350 df-rab 3399 df-v 3441 df-sbc 3740 df-csb 3849 df-dif 3903 df-un 3905 df-in 3907 df-ss 3917 df-nul 4285 df-if 4479 df-pw 4555 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-iun 4947 df-br 5098 df-opab 5160 df-mpt 5179 df-id 5518 df-xp 5629 df-rel 5630 df-cnv 5631 df-co 5632 df-dm 5633 df-rn 5634 df-res 5635 df-ima 5636 df-iota 6447 df-fun 6493 df-fn 6494 df-f 6495 df-f1 6496 df-fo 6497 df-f1o 6498 df-fv 6499 df-riota 7315 df-ov 7361 df-oprab 7362 df-lub 18269 df-glb 18270 df-join 18271 df-meet 18272 df-lat 18357 df-ats 39562 df-atl 39593 df-cvlat 39617 df-hlat 39646 |
| This theorem is referenced by: 4atexlemc 40364 4atexlemnclw 40365 4atexlemex2 40366 4atexlemcnd 40367 |
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