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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 2737 | . . 3 ⊢ (glb‘𝐾) = (glb‘𝐾) | |
| 4 | 1, 2, 3 | clatlem 18462 | . 2 ⊢ ((𝐾 ∈ CLat ∧ 𝑆 ⊆ 𝐵) → ((𝑈‘𝑆) ∈ 𝐵 ∧ ((glb‘𝐾)‘𝑆) ∈ 𝐵)) |
| 5 | 4 | simpld 494 | 1 ⊢ ((𝐾 ∈ CLat ∧ 𝑆 ⊆ 𝐵) → (𝑈‘𝑆) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ⊆ wss 3890 ‘cfv 6493 Basecbs 17173 lubclub 18269 glbcglb 18270 CLatccla 18458 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5213 ax-sep 5232 ax-nul 5242 ax-pow 5303 ax-pr 5371 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5520 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7318 df-lub 18304 df-glb 18305 df-clat 18459 |
| This theorem is referenced by: oduclatb 18467 lubss 18473 lubun 18475 clatp1cl 33055 atlatmstc 39782 polsubN 40370 2polvalN 40377 2polssN 40378 3polN 40379 2pmaplubN 40389 paddunN 40390 poldmj1N 40391 pnonsingN 40396 ispsubcl2N 40410 psubclinN 40411 paddatclN 40412 polsubclN 40415 poml4N 40416 |
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