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| Mirrors > Home > MPE Home > Th. List > clatlubcl | Structured version Visualization version GIF version | ||
| Description: Any subset of the base set has an LUB in a complete lattice. (Contributed by NM, 14-Sep-2011.) |
| Ref | Expression |
|---|---|
| clatlubcl.b | ⊢ 𝐵 = (Base‘𝐾) |
| clatlubcl.u | ⊢ 𝑈 = (lub‘𝐾) |
| Ref | Expression |
|---|---|
| clatlubcl | ⊢ ((𝐾 ∈ CLat ∧ 𝑆 ⊆ 𝐵) → (𝑈‘𝑆) ∈ 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | clatlubcl.b | . . 3 ⊢ 𝐵 = (Base‘𝐾) | |
| 2 | clatlubcl.u | . . 3 ⊢ 𝑈 = (lub‘𝐾) | |
| 3 | eqid 2739 | . . 3 ⊢ (glb‘𝐾) = (glb‘𝐾) | |
| 4 | 1, 2, 3 | clatlem 18459 | . 2 ⊢ ((𝐾 ∈ CLat ∧ 𝑆 ⊆ 𝐵) → ((𝑈‘𝑆) ∈ 𝐵 ∧ ((glb‘𝐾)‘𝑆) ∈ 𝐵)) |
| 5 | 4 | simpld 495 | 1 ⊢ ((𝐾 ∈ CLat ∧ 𝑆 ⊆ 𝐵) → (𝑈‘𝑆) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 396 = wceq 1547 ∈ wcel 2119 ⊆ wss 3883 ‘cfv 6485 Basecbs 17170 lubclub 18266 glbcglb 18267 CLatccla 18455 |
| 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 5199 ax-sep 5218 ax-nul 5228 ax-pow 5294 ax-pr 5362 |
| 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 4262 df-if 4455 df-pw 4531 df-sn 4556 df-pr 4558 df-op 4562 df-uni 4839 df-iun 4923 df-br 5073 df-opab 5135 df-mpt 5154 df-id 5513 df-xp 5624 df-rel 5625 df-cnv 5626 df-co 5627 df-dm 5628 df-rn 5629 df-res 5630 df-ima 5631 df-iota 6441 df-fun 6487 df-fn 6488 df-f 6489 df-f1 6490 df-fo 6491 df-f1o 6492 df-fv 6493 df-riota 7313 df-lub 18301 df-glb 18302 df-clat 18456 |
| This theorem is referenced by: oduclatb 18464 lubss 18470 lubun 18472 clatp1cl 33056 atlatmstc 39811 polsubN 40399 2polvalN 40406 2polssN 40407 3polN 40408 2pmaplubN 40418 paddunN 40419 poldmj1N 40420 pnonsingN 40425 ispsubcl2N 40439 psubclinN 40440 paddatclN 40441 polsubclN 40444 poml4N 40445 |
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