| Mathbox for Norm Megill |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > hlexch2 | Structured version Visualization version GIF version | ||
| Description: A Hilbert lattice has the exchange property. (Contributed by NM, 6-May-2012.) |
| Ref | Expression |
|---|---|
| hlsuprexch.b | ⊢ 𝐵 = (Base‘𝐾) |
| hlsuprexch.l | ⊢ ≤ = (le‘𝐾) |
| hlsuprexch.j | ⊢ ∨ = (join‘𝐾) |
| hlsuprexch.a | ⊢ 𝐴 = (Atoms‘𝐾) |
| Ref | Expression |
|---|---|
| hlexch2 | ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑋 ∈ 𝐵) ∧ ¬ 𝑃 ≤ 𝑋) → (𝑃 ≤ (𝑄 ∨ 𝑋) → 𝑄 ≤ (𝑃 ∨ 𝑋))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hlcvl 40174 | . 2 ⊢ (𝐾 ∈ HL → 𝐾 ∈ CvLat) | |
| 2 | hlsuprexch.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
| 3 | hlsuprexch.l | . . 3 ⊢ ≤ = (le‘𝐾) | |
| 4 | hlsuprexch.j | . . 3 ⊢ ∨ = (join‘𝐾) | |
| 5 | hlsuprexch.a | . . 3 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 6 | 2, 3, 4, 5 | cvlexch2 40144 | . 2 ⊢ ((𝐾 ∈ CvLat ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑋 ∈ 𝐵) ∧ ¬ 𝑃 ≤ 𝑋) → (𝑃 ≤ (𝑄 ∨ 𝑋) → 𝑄 ≤ (𝑃 ∨ 𝑋))) |
| 7 | 1, 6 | syl3an1 1181 | 1 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑋 ∈ 𝐵) ∧ ¬ 𝑃 ≤ 𝑋) → (𝑃 ≤ (𝑄 ∨ 𝑋) → 𝑄 ≤ (𝑃 ∨ 𝑋))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ∧ w3a 1103 = wceq 1570 ∈ wcel 2146 class class class wbr 5114 ‘cfv 6543 (class class class)co 7423 Basecbs 17294 lecple 17342 joincjn 18392 Atomscatm 40078 CvLatclc 40080 HLchlt 40165 |
| 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 2738 ax-rep 5243 ax-sep 5262 ax-nul 5274 ax-pow 5341 ax-pr 5409 ax-un 7745 |
| 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 2570 df-eu 2600 df-clab 2745 df-cleq 2758 df-clel 2841 df-nfc 2915 df-ne 2962 df-ral 3083 df-rex 3093 df-rmo 3372 df-reu 3373 df-rab 3420 df-v 3460 df-sbc 3748 df-csb 3857 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-nul 4290 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-op 4601 df-uni 4878 df-iun 4963 df-br 5115 df-opab 5179 df-mpt 5198 df-id 5561 df-xp 5672 df-rel 5673 df-cnv 5674 df-co 5675 df-dm 5676 df-rn 5677 df-res 5678 df-ima 5679 df-iota 6499 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7380 df-ov 7426 df-oprab 7427 df-lub 18425 df-join 18427 df-lat 18513 df-ats 40082 df-atl 40113 df-cvlat 40137 df-hlat 40166 |
| This theorem is used by: cdlemc3 41008 cdlemg4 41432 cdlemg6c 41435 |
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