| Mathbox for Norm Megill |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > poml5N | Structured version Visualization version GIF version | ||
| Description: Orthomodular law for projective lattices. (Contributed by NM, 23-Mar-2012.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| poml4.a | ⊢ 𝐴 = (Atoms‘𝐾) |
| poml4.p | ⊢ ⊥ = (⊥𝑃‘𝐾) |
| Ref | Expression |
|---|---|
| poml5N | ⊢ ((𝐾 ∈ HL ∧ 𝑌 ⊆ 𝐴 ∧ 𝑋 ⊆ ( ⊥ ‘𝑌)) → (( ⊥ ‘(( ⊥ ‘𝑋) ∩ ( ⊥ ‘𝑌))) ∩ ( ⊥ ‘𝑌)) = ( ⊥ ‘( ⊥ ‘𝑋))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | simp1 1142 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑌 ⊆ 𝐴 ∧ 𝑋 ⊆ ( ⊥ ‘𝑌)) → 𝐾 ∈ HL) | |
| 2 | simp3 1144 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑌 ⊆ 𝐴 ∧ 𝑋 ⊆ ( ⊥ ‘𝑌)) → 𝑋 ⊆ ( ⊥ ‘𝑌)) | |
| 3 | poml4.a | . . . . . 6 ⊢ 𝐴 = (Atoms‘𝐾) | |
| 4 | poml4.p | . . . . . 6 ⊢ ⊥ = (⊥𝑃‘𝐾) | |
| 5 | 3, 4 | polssatN 40409 | . . . . 5 ⊢ ((𝐾 ∈ HL ∧ 𝑌 ⊆ 𝐴) → ( ⊥ ‘𝑌) ⊆ 𝐴) |
| 6 | 5 | 3adant3 1138 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑌 ⊆ 𝐴 ∧ 𝑋 ⊆ ( ⊥ ‘𝑌)) → ( ⊥ ‘𝑌) ⊆ 𝐴) |
| 7 | 2, 6 | sstrd 3925 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑌 ⊆ 𝐴 ∧ 𝑋 ⊆ ( ⊥ ‘𝑌)) → 𝑋 ⊆ 𝐴) |
| 8 | 1, 7, 6 | 3jca 1134 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑌 ⊆ 𝐴 ∧ 𝑋 ⊆ ( ⊥ ‘𝑌)) → (𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ ( ⊥ ‘𝑌) ⊆ 𝐴)) |
| 9 | 3, 4 | 3polN 40417 | . . . 4 ⊢ ((𝐾 ∈ HL ∧ 𝑌 ⊆ 𝐴) → ( ⊥ ‘( ⊥ ‘( ⊥ ‘𝑌))) = ( ⊥ ‘𝑌)) |
| 10 | 9 | 3adant3 1138 | . . 3 ⊢ ((𝐾 ∈ HL ∧ 𝑌 ⊆ 𝐴 ∧ 𝑋 ⊆ ( ⊥ ‘𝑌)) → ( ⊥ ‘( ⊥ ‘( ⊥ ‘𝑌))) = ( ⊥ ‘𝑌)) |
| 11 | 2, 10 | jca 516 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑌 ⊆ 𝐴 ∧ 𝑋 ⊆ ( ⊥ ‘𝑌)) → (𝑋 ⊆ ( ⊥ ‘𝑌) ∧ ( ⊥ ‘( ⊥ ‘( ⊥ ‘𝑌))) = ( ⊥ ‘𝑌))) |
| 12 | 3, 4 | poml4N 40454 | . 2 ⊢ ((𝐾 ∈ HL ∧ 𝑋 ⊆ 𝐴 ∧ ( ⊥ ‘𝑌) ⊆ 𝐴) → ((𝑋 ⊆ ( ⊥ ‘𝑌) ∧ ( ⊥ ‘( ⊥ ‘( ⊥ ‘𝑌))) = ( ⊥ ‘𝑌)) → (( ⊥ ‘(( ⊥ ‘𝑋) ∩ ( ⊥ ‘𝑌))) ∩ ( ⊥ ‘𝑌)) = ( ⊥ ‘( ⊥ ‘𝑋)))) |
| 13 | 8, 11, 12 | sylc 65 | 1 ⊢ ((𝐾 ∈ HL ∧ 𝑌 ⊆ 𝐴 ∧ 𝑋 ⊆ ( ⊥ ‘𝑌)) → (( ⊥ ‘(( ⊥ ‘𝑋) ∩ ( ⊥ ‘𝑌))) ∩ ( ⊥ ‘𝑌)) = ( ⊥ ‘( ⊥ ‘𝑋))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 396 ∧ w3a 1092 = wceq 1547 ∈ wcel 2119 ∩ cin 3882 ⊆ wss 3883 ‘cfv 6486 Atomscatm 39764 HLchlt 39851 ⊥𝑃cpolN 40403 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-10 2152 ax-11 2168 ax-12 2189 ax-ext 2711 ax-rep 5200 ax-sep 5219 ax-nul 5229 ax-pow 5295 ax-pr 5363 ax-un 7679 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-or 854 df-3an 1094 df-tru 1550 df-fal 1560 df-ex 1787 df-nf 1791 df-sb 2074 df-mo 2543 df-eu 2573 df-clab 2718 df-cleq 2731 df-clel 2814 df-nfc 2888 df-ne 2935 df-ral 3054 df-rex 3064 df-rmo 3344 df-reu 3345 df-rab 3392 df-v 3433 df-sbc 3724 df-csb 3832 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-nul 4263 df-if 4456 df-pw 4532 df-sn 4557 df-pr 4559 df-op 4563 df-uni 4840 df-iun 4924 df-iin 4925 df-br 5074 df-opab 5136 df-mpt 5155 df-id 5514 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-iota 6442 df-fun 6488 df-fn 6489 df-f 6490 df-f1 6491 df-fo 6492 df-f1o 6493 df-fv 6494 df-riota 7314 df-ov 7360 df-oprab 7361 df-proset 18252 df-poset 18271 df-plt 18286 df-lub 18302 df-glb 18303 df-join 18304 df-meet 18305 df-p0 18381 df-p1 18382 df-lat 18390 df-clat 18457 df-oposet 39677 df-ol 39679 df-oml 39680 df-covers 39767 df-ats 39768 df-atl 39799 df-cvlat 39823 df-hlat 39852 df-psubsp 40004 df-pmap 40005 df-polarityN 40404 |
| This theorem is referenced by: osumcllem3N 40459 |
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