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Mirrors > Home > MPE Home > Th. List > latj4 | Structured version Visualization version GIF version |
Description: Rearrangement of lattice join of 4 classes. (chj4 29430 analog.) (Contributed by NM, 14-Jun-2012.) |
Ref | Expression |
---|---|
latjass.b | ⊢ 𝐵 = (Base‘𝐾) |
latjass.j | ⊢ ∨ = (join‘𝐾) |
Ref | Expression |
---|---|
latj4 | ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → ((𝑋 ∨ 𝑌) ∨ (𝑍 ∨ 𝑊)) = ((𝑋 ∨ 𝑍) ∨ (𝑌 ∨ 𝑊))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simp1 1133 | . . . 4 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → 𝐾 ∈ Lat) | |
2 | simp2r 1197 | . . . 4 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → 𝑌 ∈ 𝐵) | |
3 | simp3l 1198 | . . . 4 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → 𝑍 ∈ 𝐵) | |
4 | simp3r 1199 | . . . 4 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → 𝑊 ∈ 𝐵) | |
5 | latjass.b | . . . . 5 ⊢ 𝐵 = (Base‘𝐾) | |
6 | latjass.j | . . . . 5 ⊢ ∨ = (join‘𝐾) | |
7 | 5, 6 | latj12 17785 | . . . 4 ⊢ ((𝐾 ∈ Lat ∧ (𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → (𝑌 ∨ (𝑍 ∨ 𝑊)) = (𝑍 ∨ (𝑌 ∨ 𝑊))) |
8 | 1, 2, 3, 4, 7 | syl13anc 1369 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → (𝑌 ∨ (𝑍 ∨ 𝑊)) = (𝑍 ∨ (𝑌 ∨ 𝑊))) |
9 | 8 | oveq2d 7172 | . 2 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → (𝑋 ∨ (𝑌 ∨ (𝑍 ∨ 𝑊))) = (𝑋 ∨ (𝑍 ∨ (𝑌 ∨ 𝑊)))) |
10 | simp2l 1196 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → 𝑋 ∈ 𝐵) | |
11 | 5, 6 | latjcl 17740 | . . . 4 ⊢ ((𝐾 ∈ Lat ∧ 𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵) → (𝑍 ∨ 𝑊) ∈ 𝐵) |
12 | 1, 3, 4, 11 | syl3anc 1368 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → (𝑍 ∨ 𝑊) ∈ 𝐵) |
13 | 5, 6 | latjass 17784 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ (𝑍 ∨ 𝑊) ∈ 𝐵)) → ((𝑋 ∨ 𝑌) ∨ (𝑍 ∨ 𝑊)) = (𝑋 ∨ (𝑌 ∨ (𝑍 ∨ 𝑊)))) |
14 | 1, 10, 2, 12, 13 | syl13anc 1369 | . 2 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → ((𝑋 ∨ 𝑌) ∨ (𝑍 ∨ 𝑊)) = (𝑋 ∨ (𝑌 ∨ (𝑍 ∨ 𝑊)))) |
15 | 5, 6 | latjcl 17740 | . . . 4 ⊢ ((𝐾 ∈ Lat ∧ 𝑌 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵) → (𝑌 ∨ 𝑊) ∈ 𝐵) |
16 | 1, 2, 4, 15 | syl3anc 1368 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → (𝑌 ∨ 𝑊) ∈ 𝐵) |
17 | 5, 6 | latjass 17784 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵 ∧ (𝑌 ∨ 𝑊) ∈ 𝐵)) → ((𝑋 ∨ 𝑍) ∨ (𝑌 ∨ 𝑊)) = (𝑋 ∨ (𝑍 ∨ (𝑌 ∨ 𝑊)))) |
18 | 1, 10, 3, 16, 17 | syl13anc 1369 | . 2 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → ((𝑋 ∨ 𝑍) ∨ (𝑌 ∨ 𝑊)) = (𝑋 ∨ (𝑍 ∨ (𝑌 ∨ 𝑊)))) |
19 | 9, 14, 18 | 3eqtr4d 2803 | 1 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → ((𝑋 ∨ 𝑌) ∨ (𝑍 ∨ 𝑊)) = ((𝑋 ∨ 𝑍) ∨ (𝑌 ∨ 𝑊))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 399 ∧ w3a 1084 = wceq 1538 ∈ wcel 2111 ‘cfv 6340 (class class class)co 7156 Basecbs 16554 joincjn 17633 Latclat 17734 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2729 ax-rep 5160 ax-sep 5173 ax-nul 5180 ax-pow 5238 ax-pr 5302 ax-un 7465 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3an 1086 df-tru 1541 df-fal 1551 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2557 df-eu 2588 df-clab 2736 df-cleq 2750 df-clel 2830 df-nfc 2901 df-ne 2952 df-ral 3075 df-rex 3076 df-reu 3077 df-rab 3079 df-v 3411 df-sbc 3699 df-csb 3808 df-dif 3863 df-un 3865 df-in 3867 df-ss 3877 df-nul 4228 df-if 4424 df-pw 4499 df-sn 4526 df-pr 4528 df-op 4532 df-uni 4802 df-iun 4888 df-br 5037 df-opab 5099 df-mpt 5117 df-id 5434 df-xp 5534 df-rel 5535 df-cnv 5536 df-co 5537 df-dm 5538 df-rn 5539 df-res 5540 df-ima 5541 df-iota 6299 df-fun 6342 df-fn 6343 df-f 6344 df-f1 6345 df-fo 6346 df-f1o 6347 df-fv 6348 df-riota 7114 df-ov 7159 df-oprab 7160 df-proset 17617 df-poset 17635 df-lub 17663 df-glb 17664 df-join 17665 df-meet 17666 df-lat 17735 |
This theorem is referenced by: latj4rot 17791 latjjdi 17792 latjjdir 17793 hlatj4 36984 arglem1N 37800 cdleme11 37880 cdleme20l2 37931 |
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