| Mathbox for Norm Megill |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > latmrot | Structured version Visualization version GIF version | ||
| Description: Rotate lattice meet of 3 classes. (Contributed by NM, 9-Oct-2012.) |
| Ref | Expression |
|---|---|
| olmass.b | ⊢ 𝐵 = (Base‘𝐾) |
| olmass.m | ⊢ ∧ = (meet‘𝐾) |
| Ref | Expression |
|---|---|
| latmrot | ⊢ ((𝐾 ∈ OL ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → ((𝑋 ∧ 𝑌) ∧ 𝑍) = ((𝑍 ∧ 𝑋) ∧ 𝑌)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ollat 39718 | . . . 4 ⊢ (𝐾 ∈ OL → 𝐾 ∈ Lat) | |
| 2 | 1 | adantr 482 | . . 3 ⊢ ((𝐾 ∈ OL ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → 𝐾 ∈ Lat) |
| 3 | simpr1 1202 | . . . 4 ⊢ ((𝐾 ∈ OL ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → 𝑋 ∈ 𝐵) | |
| 4 | simpr2 1203 | . . . 4 ⊢ ((𝐾 ∈ OL ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → 𝑌 ∈ 𝐵) | |
| 5 | olmass.b | . . . . 5 ⊢ 𝐵 = (Base‘𝐾) | |
| 6 | olmass.m | . . . . 5 ⊢ ∧ = (meet‘𝐾) | |
| 7 | 5, 6 | latmcl 18401 | . . . 4 ⊢ ((𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) → (𝑋 ∧ 𝑌) ∈ 𝐵) |
| 8 | 2, 3, 4, 7 | syl3anc 1380 | . . 3 ⊢ ((𝐾 ∈ OL ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → (𝑋 ∧ 𝑌) ∈ 𝐵) |
| 9 | simpr3 1204 | . . 3 ⊢ ((𝐾 ∈ OL ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → 𝑍 ∈ 𝐵) | |
| 10 | 5, 6 | latmcom 18424 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∧ 𝑌) ∈ 𝐵 ∧ 𝑍 ∈ 𝐵) → ((𝑋 ∧ 𝑌) ∧ 𝑍) = (𝑍 ∧ (𝑋 ∧ 𝑌))) |
| 11 | 2, 8, 9, 10 | syl3anc 1380 | . 2 ⊢ ((𝐾 ∈ OL ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → ((𝑋 ∧ 𝑌) ∧ 𝑍) = (𝑍 ∧ (𝑋 ∧ 𝑌))) |
| 12 | simpl 484 | . . 3 ⊢ ((𝐾 ∈ OL ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → 𝐾 ∈ OL) | |
| 13 | 5, 6 | latmassOLD 39734 | . . 3 ⊢ ((𝐾 ∈ OL ∧ (𝑍 ∈ 𝐵 ∧ 𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → ((𝑍 ∧ 𝑋) ∧ 𝑌) = (𝑍 ∧ (𝑋 ∧ 𝑌))) |
| 14 | 12, 9, 3, 4, 13 | syl13anc 1381 | . 2 ⊢ ((𝐾 ∈ OL ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → ((𝑍 ∧ 𝑋) ∧ 𝑌) = (𝑍 ∧ (𝑋 ∧ 𝑌))) |
| 15 | 11, 14 | eqtr4d 2779 | 1 ⊢ ((𝐾 ∈ OL ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → ((𝑋 ∧ 𝑌) ∧ 𝑍) = ((𝑍 ∧ 𝑋) ∧ 𝑌)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 397 ∧ w3a 1093 = wceq 1548 ∈ wcel 2121 ‘cfv 6488 (class class class)co 7359 Basecbs 17174 meetcmee 18273 Latclat 18392 OLcol 39679 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-10 2154 ax-11 2170 ax-12 2191 ax-ext 2713 ax-rep 5201 ax-sep 5220 ax-nul 5230 ax-pow 5296 ax-pr 5364 ax-un 7681 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-nf 1792 df-sb 2075 df-mo 2545 df-eu 2575 df-clab 2720 df-cleq 2733 df-clel 2816 df-nfc 2890 df-ne 2937 df-ral 3056 df-rex 3066 df-rmo 3346 df-reu 3347 df-rab 3394 df-v 3435 df-sbc 3725 df-csb 3833 df-dif 3887 df-un 3889 df-in 3891 df-ss 3901 df-nul 4264 df-if 4457 df-pw 4533 df-sn 4558 df-pr 4560 df-op 4564 df-uni 4841 df-iun 4925 df-br 5075 df-opab 5137 df-mpt 5156 df-id 5515 df-xp 5626 df-rel 5627 df-cnv 5628 df-co 5629 df-dm 5630 df-rn 5631 df-res 5632 df-ima 5633 df-iota 6444 df-fun 6490 df-fn 6491 df-f 6492 df-f1 6493 df-fo 6494 df-f1o 6495 df-fv 6496 df-riota 7316 df-ov 7362 df-oprab 7363 df-proset 18255 df-poset 18274 df-lub 18305 df-glb 18306 df-join 18307 df-meet 18308 df-lat 18393 df-oposet 39681 df-ol 39683 |
| This theorem is referenced by: cdleme15b 40780 |
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