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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 2760 | . . 3 ⊢ (glb‘𝐾) = (glb‘𝐾) | |
| 4 | 1, 2, 3 | clatlem 18591 | . 2 ⊢ ((𝐾 ∈ CLat ∧ 𝑆 ⊆ 𝐵) → ((𝑈‘𝑆) ∈ 𝐵 ∧ ((glb‘𝐾)‘𝑆) ∈ 𝐵)) |
| 5 | 4 | simpld 500 | 1 ⊢ ((𝐾 ∈ CLat ∧ 𝑆 ⊆ 𝐵) → (𝑈‘𝑆) ∈ 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 ⊆ wss 3899 ‘cfv 6533 Basecbs 17302 lubclub 18398 glbcglb 18399 CLatccla 18587 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5232 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5550 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7371 df-lub 18433 df-glb 18434 df-clat 18588 |
| This theorem is used by: oduclatb 18596 lubss 18602 lubun 18604 clatp1cl 33418 atlatmstc 40193 polsubN 40781 2polvalN 40788 2polssN 40789 3polN 40790 2pmaplubN 40800 paddunN 40801 poldmj1N 40802 pnonsingN 40807 ispsubcl2N 40821 psubclinN 40822 paddatclN 40823 polsubclN 40826 poml4N 40827 |
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