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| Mirrors > Home > MPE Home > Th. List > Mathboxes > 4atexlemqtb | Structured version Visualization version GIF version | ||
| Description: Lemma for 4atexlem7 41052. (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 41024 | . 2 ⊢ (𝜑 → 𝐾 ∈ HL) |
| 3 | 1 | 4atexlemq 41028 | . 2 ⊢ (𝜑 → 𝑄 ∈ 𝐴) |
| 4 | 1 | 4atexlemt 41030 | . 2 ⊢ (𝜑 → 𝑇 ∈ 𝐴) |
| 5 | eqid 2760 | . . 3 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
| 6 | 4thatlempqb.j | . . 3 ⊢ ∨ = (join‘𝐾) | |
| 7 | 4thatlempqb.a | . . 3 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 8 | 5, 6, 7 | hlatjcl 40344 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑄 ∈ 𝐴 ∧ 𝑇 ∈ 𝐴) → (𝑄 ∨ 𝑇) ∈ (Base‘𝐾)) |
| 9 | 2, 3, 4, 8 | syl3anc 1398 | 1 ⊢ (𝜑 → (𝑄 ∨ 𝑇) ∈ (Base‘𝐾)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ↔ wb 209 ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2145 ≠ wne 2955 class class class wbr 5102 ‘cfv 6527 (class class class)co 7408 Basecbs 17348 joincjn 18446 Atomscatm 40240 HLchlt 40327 |
| 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 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7734 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-iun 4952 df-br 5103 df-opab 5167 df-mpt 5186 df-id 5542 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-iota 6483 df-fun 6529 df-fn 6530 df-f 6531 df-f1 6532 df-fo 6533 df-f1o 6534 df-fv 6535 df-riota 7365 df-ov 7411 df-oprab 7412 df-lub 18479 df-glb 18480 df-join 18481 df-meet 18482 df-lat 18567 df-ats 40244 df-atl 40275 df-cvlat 40299 df-hlat 40328 |
| This theorem is used by: 4atexlemc 41046 4atexlemnclw 41047 4atexlemex2 41048 4atexlemcnd 41049 |
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