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| Mirrors > Home > HSE Home > Th. List > chjcom | Structured version Visualization version GIF version | ||
| Description: Commutative law for Hilbert lattice join. (Contributed by NM, 12-Jun-2004.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| chjcom | ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (𝐴 ∨ℋ 𝐵) = (𝐵 ∨ℋ 𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | chsh 31705 | . 2 ⊢ (𝐴 ∈ Cℋ → 𝐴 ∈ Sℋ ) | |
| 2 | chsh 31705 | . 2 ⊢ (𝐵 ∈ Cℋ → 𝐵 ∈ Sℋ ) | |
| 3 | shjcom 31839 | . 2 ⊢ ((𝐴 ∈ Sℋ ∧ 𝐵 ∈ Sℋ ) → (𝐴 ∨ℋ 𝐵) = (𝐵 ∨ℋ 𝐴)) | |
| 4 | 1, 2, 3 | syl2an 608 | 1 ⊢ ((𝐴 ∈ Cℋ ∧ 𝐵 ∈ Cℋ ) → (𝐴 ∨ℋ 𝐵) = (𝐵 ∨ℋ 𝐴)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2145 (class class class)co 7413 Sℋ csh 31409 Cℋ cch 31410 ∨ℋ chj 31414 |
| 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-sep 5251 ax-nul 5263 ax-pr 5398 ax-hilex 31480 |
| 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-rab 3413 df-v 3452 df-sbc 3740 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-br 5104 df-opab 5168 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-fv 6541 df-ov 7416 df-oprab 7417 df-mpo 7418 df-sh 31688 df-ch 31702 df-chj 31791 |
| This theorem is used by: chub2 31989 chlejb2 31994 chj12 32015 mddmd2 32790 dmdsl3 32796 csmdsymi 32815 mdexchi 32816 atordi 32865 atcvatlem 32866 atcvati 32867 chirredlem2 32872 chirredlem4 32874 atcvat3i 32877 atcvat4i 32878 atdmd 32879 mdsymlem3 32886 mdsymlem5 32888 mdsymlem8 32891 sumdmdlem2 32900 dmdbr5ati 32903 |
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