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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 31320 | . 2 ⊢ 𝐴 ∈ Sℋ |
| 3 | chjcl.2 | . . 3 ⊢ 𝐵 ∈ Cℋ | |
| 4 | 3 | chshii 31320 | . 2 ⊢ 𝐵 ∈ Sℋ |
| 5 | 2, 4 | shjcomi 31464 | 1 ⊢ (𝐴 ∨ℋ 𝐵) = (𝐵 ∨ℋ 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1548 ∈ wcel 2121 (class class class)co 7360 Cℋ cch 31022 ∨ℋ chj 31026 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1803 ax-4 1817 ax-5 1918 ax-6 1975 ax-7 2016 ax-8 2123 ax-9 2131 ax-10 2154 ax-11 2170 ax-12 2191 ax-ext 2713 ax-sep 5221 ax-nul 5231 ax-pr 5365 ax-hilex 31092 |
| This theorem depends on definitions: df-bi 209 df-an 398 df-or 855 df-3an 1095 df-tru 1551 df-fal 1561 df-ex 1788 df-nf 1792 df-sb 2075 df-mo 2545 df-eu 2575 df-clab 2720 df-cleq 2733 df-clel 2816 df-nfc 2890 df-ne 2937 df-ral 3056 df-rex 3066 df-rab 3394 df-v 3435 df-sbc 3726 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-nul 4265 df-if 4458 df-pw 4534 df-sn 4559 df-pr 4561 df-op 4565 df-uni 4842 df-br 5076 df-opab 5138 df-id 5516 df-xp 5627 df-rel 5628 df-cnv 5629 df-co 5630 df-dm 5631 df-rn 5632 df-res 5633 df-ima 5634 df-iota 6445 df-fun 6491 df-fv 6497 df-ov 7363 df-oprab 7364 df-mpo 7365 df-sh 31300 df-ch 31314 df-chj 31403 |
| This theorem is referenced by: chub2i 31563 chnlei 31578 chj12i 31615 lejdiri 31632 cmcm2i 31686 cmbr3i 31693 qlax2i 31721 osumcor2i 31737 3oalem5 31759 pjcji 31777 mayetes3i 31822 mdslj2i 32413 mdsl1i 32414 cvmdi 32417 mdslmd2i 32423 mdexchi 32428 cvexchi 32462 atabsi 32494 mdsymlem1 32496 mdsymlem6 32501 mdsymlem8 32503 sumdmdlem2 32512 dmdbr5ati 32515 |
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