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| Mirrors > Home > MPE Home > Th. List > Mathboxes > 4atexlemqtb | Structured version Visualization version GIF version | ||
| Description: Lemma for 4atexlem7 40774. (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 40746 | . 2 ⊢ (𝜑 → 𝐾 ∈ HL) |
| 3 | 1 | 4atexlemq 40750 | . 2 ⊢ (𝜑 → 𝑄 ∈ 𝐴) |
| 4 | 1 | 4atexlemt 40752 | . 2 ⊢ (𝜑 → 𝑇 ∈ 𝐴) |
| 5 | eqid 2769 | . . 3 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
| 6 | 4thatlempqb.j | . . 3 ⊢ ∨ = (join‘𝐾) | |
| 7 | 4thatlempqb.a | . . 3 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 8 | 5, 6, 7 | hlatjcl 40066 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑄 ∈ 𝐴 ∧ 𝑇 ∈ 𝐴) → (𝑄 ∨ 𝑇) ∈ (Base‘𝐾)) |
| 9 | 2, 3, 4, 8 | syl3anc 1396 | 1 ⊢ (𝜑 → (𝑄 ∨ 𝑇) ∈ (Base‘𝐾)) |
| Colors of variables: wff setvar class |
| Syntax hints: ¬ wn 3 → wi 4 ↔ wb 209 ∧ wa 400 ∧ w3a 1101 = wceq 1567 ∈ wcel 2149 ≠ wne 2964 class class class wbr 5111 ‘cfv 6537 (class class class)co 7411 Basecbs 17269 joincjn 18367 Atomscatm 39962 HLchlt 40049 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5240 ax-sep 5259 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-ral 3086 df-rex 3096 df-rmo 3375 df-reu 3376 df-rab 3423 df-v 3463 df-sbc 3752 df-csb 3860 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-nul 4293 df-if 4491 df-pw 4567 df-sn 4593 df-pr 4595 df-op 4599 df-uni 4875 df-iun 4960 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5557 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7368 df-ov 7414 df-oprab 7415 df-lub 18400 df-glb 18401 df-join 18402 df-meet 18403 df-lat 18488 df-ats 39966 df-atl 39997 df-cvlat 40021 df-hlat 40050 |
| This theorem is referenced by: 4atexlemc 40768 4atexlemnclw 40769 4atexlemex2 40770 4atexlemcnd 40771 |
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