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Mirrors > Home > MPE Home > Th. List > latjlej12 | Structured version Visualization version GIF version |
Description: Add join to both sides of a lattice ordering. (chlej12i 29834 analog.) (Contributed by NM, 8-Nov-2011.) |
Ref | Expression |
---|---|
latlej.b | ⊢ 𝐵 = (Base‘𝐾) |
latlej.l | ⊢ ≤ = (le‘𝐾) |
latlej.j | ⊢ ∨ = (join‘𝐾) |
Ref | Expression |
---|---|
latjlej12 | ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → ((𝑋 ≤ 𝑌 ∧ 𝑍 ≤ 𝑊) → (𝑋 ∨ 𝑍) ≤ (𝑌 ∨ 𝑊))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | simp1 1135 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → 𝐾 ∈ Lat) | |
2 | simp2l 1198 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → 𝑋 ∈ 𝐵) | |
3 | simp2r 1199 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → 𝑌 ∈ 𝐵) | |
4 | simp3l 1200 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → 𝑍 ∈ 𝐵) | |
5 | latlej.b | . . . 4 ⊢ 𝐵 = (Base‘𝐾) | |
6 | latlej.l | . . . 4 ⊢ ≤ = (le‘𝐾) | |
7 | latlej.j | . . . 4 ⊢ ∨ = (join‘𝐾) | |
8 | 5, 6, 7 | latjlej1 18169 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵)) → (𝑋 ≤ 𝑌 → (𝑋 ∨ 𝑍) ≤ (𝑌 ∨ 𝑍))) |
9 | 1, 2, 3, 4, 8 | syl13anc 1371 | . 2 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → (𝑋 ≤ 𝑌 → (𝑋 ∨ 𝑍) ≤ (𝑌 ∨ 𝑍))) |
10 | simp3r 1201 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → 𝑊 ∈ 𝐵) | |
11 | 5, 6, 7 | latjlej2 18170 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵)) → (𝑍 ≤ 𝑊 → (𝑌 ∨ 𝑍) ≤ (𝑌 ∨ 𝑊))) |
12 | 1, 4, 10, 3, 11 | syl13anc 1371 | . 2 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → (𝑍 ≤ 𝑊 → (𝑌 ∨ 𝑍) ≤ (𝑌 ∨ 𝑊))) |
13 | 5, 7 | latjcl 18155 | . . . 4 ⊢ ((𝐾 ∈ Lat ∧ 𝑋 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵) → (𝑋 ∨ 𝑍) ∈ 𝐵) |
14 | 1, 2, 4, 13 | syl3anc 1370 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → (𝑋 ∨ 𝑍) ∈ 𝐵) |
15 | 5, 7 | latjcl 18155 | . . . 4 ⊢ ((𝐾 ∈ Lat ∧ 𝑌 ∈ 𝐵 ∧ 𝑍 ∈ 𝐵) → (𝑌 ∨ 𝑍) ∈ 𝐵) |
16 | 1, 3, 4, 15 | syl3anc 1370 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → (𝑌 ∨ 𝑍) ∈ 𝐵) |
17 | 5, 7 | latjcl 18155 | . . . 4 ⊢ ((𝐾 ∈ Lat ∧ 𝑌 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵) → (𝑌 ∨ 𝑊) ∈ 𝐵) |
18 | 1, 3, 10, 17 | syl3anc 1370 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → (𝑌 ∨ 𝑊) ∈ 𝐵) |
19 | 5, 6 | lattr 18160 | . . 3 ⊢ ((𝐾 ∈ Lat ∧ ((𝑋 ∨ 𝑍) ∈ 𝐵 ∧ (𝑌 ∨ 𝑍) ∈ 𝐵 ∧ (𝑌 ∨ 𝑊) ∈ 𝐵)) → (((𝑋 ∨ 𝑍) ≤ (𝑌 ∨ 𝑍) ∧ (𝑌 ∨ 𝑍) ≤ (𝑌 ∨ 𝑊)) → (𝑋 ∨ 𝑍) ≤ (𝑌 ∨ 𝑊))) |
20 | 1, 14, 16, 18, 19 | syl13anc 1371 | . 2 ⊢ ((𝐾 ∈ Lat ∧ (𝑋 ∈ 𝐵 ∧ 𝑌 ∈ 𝐵) ∧ (𝑍 ∈ 𝐵 ∧ 𝑊 ∈ 𝐵)) → (((𝑋 ∨ 𝑍) ≤ (𝑌 ∨ 𝑍) ∧ (𝑌 ∨ 𝑍) ≤ (𝑌 ∨ 𝑊)) → (𝑋 ∨ 𝑍) ≤ (𝑌 ∨ 𝑊))) |
21 | 9, 12, 20 | syl2and 608 | 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 396 ∧ w3a 1086 = wceq 1539 ∈ wcel 2106 class class class wbr 5076 ‘cfv 6435 (class class class)co 7277 Basecbs 16910 lecple 16967 joincjn 18027 Latclat 18147 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5211 ax-sep 5225 ax-nul 5232 ax-pow 5290 ax-pr 5354 ax-un 7588 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-ral 3069 df-rex 3070 df-reu 3072 df-rab 3073 df-v 3433 df-sbc 3718 df-csb 3834 df-dif 3891 df-un 3893 df-in 3895 df-ss 3905 df-nul 4259 df-if 4462 df-pw 4537 df-sn 4564 df-pr 4566 df-op 4570 df-uni 4842 df-iun 4928 df-br 5077 df-opab 5139 df-mpt 5160 df-id 5491 df-xp 5597 df-rel 5598 df-cnv 5599 df-co 5600 df-dm 5601 df-rn 5602 df-res 5603 df-ima 5604 df-iota 6393 df-fun 6437 df-fn 6438 df-f 6439 df-f1 6440 df-fo 6441 df-f1o 6442 df-fv 6443 df-riota 7234 df-ov 7280 df-oprab 7281 df-poset 18029 df-lub 18062 df-glb 18063 df-join 18064 df-meet 18065 df-lat 18148 |
This theorem is referenced by: latledi 18193 dalem-cly 37682 dalem38 37721 dalem44 37727 cdlema1N 37802 pmapjoin 37863 4atexlemc 38080 cdlemg33a 38717 |
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