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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 31516 | . 2 ⊢ 𝐴 ∈ Sℋ |
| 3 | chjcl.2 | . . 3 ⊢ 𝐵 ∈ Cℋ | |
| 4 | 3 | chshii 31516 | . 2 ⊢ 𝐵 ∈ Sℋ |
| 5 | 2, 4 | shjcomi 31660 | 1 ⊢ (𝐴 ∨ℋ 𝐵) = (𝐵 ∨ℋ 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1567 ∈ wcel 2149 (class class class)co 7408 Cℋ cch 31218 ∨ℋ chj 31222 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5258 ax-nul 5268 ax-pr 5402 ax-hilex 31288 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-ral 3086 df-rex 3096 df-rab 3424 df-v 3465 df-sbc 3754 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-nul 4295 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-op 4598 df-uni 4874 df-br 5111 df-opab 5175 df-id 5554 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-iota 6489 df-fun 6535 df-fv 6541 df-ov 7411 df-oprab 7412 df-mpo 7413 df-sh 31496 df-ch 31510 df-chj 31599 |
| This theorem is referenced by: chub2i 31759 chnlei 31774 chj12i 31811 lejdiri 31828 cmcm2i 31882 cmbr3i 31889 qlax2i 31917 osumcor2i 31933 3oalem5 31955 pjcji 31973 mayetes3i 32018 mdslj2i 32609 mdsl1i 32610 cvmdi 32613 mdslmd2i 32619 mdexchi 32624 cvexchi 32658 atabsi 32690 mdsymlem1 32692 mdsymlem6 32697 mdsymlem8 32699 sumdmdlem2 32708 dmdbr5ati 32711 |
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