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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 31189 | . 2 ⊢ 𝐴 ∈ Sℋ |
| 3 | chjcl.2 | . . 3 ⊢ 𝐵 ∈ Cℋ | |
| 4 | 3 | chshii 31189 | . 2 ⊢ 𝐵 ∈ Sℋ |
| 5 | 2, 4 | shjcomi 31333 | 1 ⊢ (𝐴 ∨ℋ 𝐵) = (𝐵 ∨ℋ 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1540 ∈ wcel 2109 (class class class)co 7353 Cℋ cch 30891 ∨ℋ chj 30895 |
| 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 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-sep 5238 ax-nul 5248 ax-pr 5374 ax-hilex 30961 |
| 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 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-ral 3045 df-rex 3054 df-rab 3397 df-v 3440 df-sbc 3745 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4479 df-pw 4555 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4862 df-br 5096 df-opab 5158 df-id 5518 df-xp 5629 df-rel 5630 df-cnv 5631 df-co 5632 df-dm 5633 df-rn 5634 df-res 5635 df-ima 5636 df-iota 6442 df-fun 6488 df-fv 6494 df-ov 7356 df-oprab 7357 df-mpo 7358 df-sh 31169 df-ch 31183 df-chj 31272 |
| This theorem is referenced by: chub2i 31432 chnlei 31447 chj12i 31484 lejdiri 31501 cmcm2i 31555 cmbr3i 31562 qlax2i 31590 osumcor2i 31606 3oalem5 31628 pjcji 31646 mayetes3i 31691 mdslj2i 32282 mdsl1i 32283 cvmdi 32286 mdslmd2i 32292 mdexchi 32297 cvexchi 32331 atabsi 32363 mdsymlem1 32365 mdsymlem6 32370 mdsymlem8 32372 sumdmdlem2 32381 dmdbr5ati 32384 |
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