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| Mirrors > Home > MPE Home > Th. List > Mathboxes > hlexchb2 | Structured version Visualization version GIF version | ||
| Description: A Hilbert lattice has the exchange property. (Contributed by NM, 22-Jun-2012.) |
| Ref | Expression |
|---|---|
| hlsuprexch.b | ⊢ 𝐵 = (Base‘𝐾) |
| hlsuprexch.l | ⊢ ≤ = (le‘𝐾) |
| hlsuprexch.j | ⊢ ∨ = (join‘𝐾) |
| hlsuprexch.a | ⊢ 𝐴 = (Atoms‘𝐾) |
| Ref | Expression |
|---|---|
| hlexchb2 | ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑋 ∈ 𝐵) ∧ ¬ 𝑃 ≤ 𝑋) → (𝑃 ≤ (𝑄 ∨ 𝑋) ↔ (𝑃 ∨ 𝑋) = (𝑄 ∨ 𝑋))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | hlcvl 40416 | . 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 | cvlexchb2 40388 | . 2 ⊢ ((𝐾 ∈ CvLat ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑋 ∈ 𝐵) ∧ ¬ 𝑃 ≤ 𝑋) → (𝑃 ≤ (𝑄 ∨ 𝑋) ↔ (𝑃 ∨ 𝑋) = (𝑄 ∨ 𝑋))) |
| 7 | 1, 6 | syl3an1 1181 | 1 ⊢ ((𝐾 ∈ HL ∧ (𝑃 ∈ 𝐴 ∧ 𝑄 ∈ 𝐴 ∧ 𝑋 ∈ 𝐵) ∧ ¬ 𝑃 ≤ 𝑋) → (𝑃 ≤ (𝑄 ∨ 𝑋) ↔ (𝑃 ∨ 𝑋) = (𝑄 ∨ 𝑋))) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ¬ wn 3 → wi 4 ↔ wb 209 ∧ w3a 1103 = wceq 1570 ∈ wcel 2145 class class class wbr 5103 ‘cfv 6538 (class class class)co 7420 Basecbs 17387 lecple 17435 joincjn 18485 Atomscatm 40320 CvLatclc 40322 HLchlt 40407 |
| 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 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7751 |
| 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-proset 18468 df-poset 18487 df-lub 18518 df-glb 18519 df-join 18520 df-meet 18521 df-lat 18606 df-ats 40324 df-atl 40355 df-cvlat 40379 df-hlat 40408 |
| This theorem is used by: 3atlem1 40540 3atlem2 40541 4atlem9 40660 4atlem10a 40661 4atlem11a 40664 4atlem12a 40667 |
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