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| Mirrors > Home > HSE Home > Th. List > chjcomi | Structured version Visualization version GIF version | ||
| Description: Commutative law for join in Cℋ. (Contributed by NM, 14-Oct-1999.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| ch0le.1 | ⊢ 𝐴 ∈ Cℋ |
| chjcl.2 | ⊢ 𝐵 ∈ Cℋ |
| Ref | Expression |
|---|---|
| chjcomi | ⊢ (𝐴 ∨ℋ 𝐵) = (𝐵 ∨ℋ 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ch0le.1 | . . 3 ⊢ 𝐴 ∈ Cℋ | |
| 2 | 1 | chshii 31208 | . 2 ⊢ 𝐴 ∈ Sℋ |
| 3 | chjcl.2 | . . 3 ⊢ 𝐵 ∈ Cℋ | |
| 4 | 3 | chshii 31208 | . 2 ⊢ 𝐵 ∈ Sℋ |
| 5 | 2, 4 | shjcomi 31352 | 1 ⊢ (𝐴 ∨ℋ 𝐵) = (𝐵 ∨ℋ 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1540 ∈ wcel 2108 (class class class)co 7405 Cℋ cch 30910 ∨ℋ chj 30914 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2707 ax-sep 5266 ax-nul 5276 ax-pr 5402 ax-hilex 30980 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2539 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2809 df-nfc 2885 df-ne 2933 df-ral 3052 df-rex 3061 df-rab 3416 df-v 3461 df-sbc 3766 df-dif 3929 df-un 3931 df-in 3933 df-ss 3943 df-nul 4309 df-if 4501 df-pw 4577 df-sn 4602 df-pr 4604 df-op 4608 df-uni 4884 df-br 5120 df-opab 5182 df-id 5548 df-xp 5660 df-rel 5661 df-cnv 5662 df-co 5663 df-dm 5664 df-rn 5665 df-res 5666 df-ima 5667 df-iota 6484 df-fun 6533 df-fv 6539 df-ov 7408 df-oprab 7409 df-mpo 7410 df-sh 31188 df-ch 31202 df-chj 31291 |
| This theorem is referenced by: chub2i 31451 chnlei 31466 chj12i 31503 lejdiri 31520 cmcm2i 31574 cmbr3i 31581 qlax2i 31609 osumcor2i 31625 3oalem5 31647 pjcji 31665 mayetes3i 31710 mdslj2i 32301 mdsl1i 32302 cvmdi 32305 mdslmd2i 32311 mdexchi 32316 cvexchi 32350 atabsi 32382 mdsymlem1 32384 mdsymlem6 32389 mdsymlem8 32391 sumdmdlem2 32400 dmdbr5ati 32403 |
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