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Mirrors > Home > MPE Home > Th. List > latmlem12 | Structured version Visualization version GIF version |
Description: Add join to both sides of a lattice ordering. (ss2in 4176 analog.) (Contributed by NM, 10-Nov-2011.) |
Ref | Expression |
---|---|
latmle.b | ⊢ 𝐵 = (Base‘𝐾) |
latmle.l | ⊢ ≤ = (le‘𝐾) |
latmle.m | ⊢ ∧ = (meet‘𝐾) |
Ref | Expression |
---|---|
latmlem12 | ⊢ ((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 | latmle.b | . . . 4 ⊢ 𝐵 = (Base‘𝐾) | |
6 | latmle.l | . . . 4 ⊢ ≤ = (le‘𝐾) | |
7 | latmle.m | . . . 4 ⊢ ∧ = (meet‘𝐾) | |
8 | 5, 6, 7 | latmlem1 18185 | . . 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 | latmlem2 18186 | . . 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 | latmcl 18156 | . . . 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 | latmcl 18156 | . . . 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 | latmcl 18156 | . . . 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 1542 ∈ wcel 2110 class class class wbr 5079 ‘cfv 6432 (class class class)co 7271 Basecbs 16910 lecple 16967 meetcmee 18028 Latclat 18147 |
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 1975 ax-7 2015 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2158 ax-12 2175 ax-ext 2711 ax-rep 5214 ax-sep 5227 ax-nul 5234 ax-pow 5292 ax-pr 5356 ax-un 7582 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3an 1088 df-tru 1545 df-fal 1555 df-ex 1787 df-nf 1791 df-sb 2072 df-mo 2542 df-eu 2571 df-clab 2718 df-cleq 2732 df-clel 2818 df-nfc 2891 df-ne 2946 df-ral 3071 df-rex 3072 df-reu 3073 df-rab 3075 df-v 3433 df-sbc 3721 df-csb 3838 df-dif 3895 df-un 3897 df-in 3899 df-ss 3909 df-nul 4263 df-if 4466 df-pw 4541 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4846 df-iun 4932 df-br 5080 df-opab 5142 df-mpt 5163 df-id 5490 df-xp 5596 df-rel 5597 df-cnv 5598 df-co 5599 df-dm 5600 df-rn 5601 df-res 5602 df-ima 5603 df-iota 6390 df-fun 6434 df-fn 6435 df-f 6436 df-f1 6437 df-fo 6438 df-f1o 6439 df-fv 6440 df-riota 7228 df-ov 7274 df-oprab 7275 df-poset 18029 df-lub 18062 df-glb 18063 df-join 18064 df-meet 18065 df-lat 18148 |
This theorem is referenced by: dalem10 37683 dalem55 37737 dalawlem3 37883 dalawlem7 37887 dalawlem11 37891 dalawlem12 37892 cdlemk51 38963 |
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