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Theorem chjcomi 29239
Description: Commutative law for join in C. (Contributed by NM, 14-Oct-1999.) (New usage is discouraged.)
Hypotheses
Ref Expression
ch0le.1 𝐴C
chjcl.2 𝐵C
Assertion
Ref Expression
chjcomi (𝐴 𝐵) = (𝐵 𝐴)

Proof of Theorem chjcomi
StepHypRef Expression
1 ch0le.1 . . 3 𝐴C
21chshii 28998 . 2 𝐴S
3 chjcl.2 . . 3 𝐵C
43chshii 28998 . 2 𝐵S
52, 4shjcomi 29142 1 (𝐴 𝐵) = (𝐵 𝐴)
Colors of variables: wff setvar class
Syntax hints:   = wceq 1533  wcel 2110  (class class class)co 7150   C cch 28700   chj 28704
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1792  ax-4 1806  ax-5 1907  ax-6 1966  ax-7 2011  ax-8 2112  ax-9 2120  ax-10 2141  ax-11 2157  ax-12 2173  ax-ext 2793  ax-sep 5195  ax-nul 5202  ax-pr 5321  ax-hilex 28770
This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3an 1085  df-tru 1536  df-ex 1777  df-nf 1781  df-sb 2066  df-mo 2618  df-eu 2650  df-clab 2800  df-cleq 2814  df-clel 2893  df-nfc 2963  df-ral 3143  df-rex 3144  df-rab 3147  df-v 3496  df-sbc 3772  df-dif 3938  df-un 3940  df-in 3942  df-ss 3951  df-nul 4291  df-if 4467  df-pw 4540  df-sn 4561  df-pr 4563  df-op 4567  df-uni 4832  df-br 5059  df-opab 5121  df-id 5454  df-xp 5555  df-rel 5556  df-cnv 5557  df-co 5558  df-dm 5559  df-rn 5560  df-res 5561  df-ima 5562  df-iota 6308  df-fun 6351  df-fv 6357  df-ov 7153  df-oprab 7154  df-mpo 7155  df-sh 28978  df-ch 28992  df-chj 29081
This theorem is referenced by:  chub2i  29241  chnlei  29256  chj12i  29293  lejdiri  29310  cmcm2i  29364  cmbr3i  29371  qlax2i  29399  osumcor2i  29415  3oalem5  29437  pjcji  29455  mayetes3i  29500  mdslj2i  30091  mdsl1i  30092  cvmdi  30095  mdslmd2i  30101  mdexchi  30106  cvexchi  30140  atabsi  30172  mdsymlem1  30174  mdsymlem6  30179  mdsymlem8  30181  sumdmdlem2  30190  dmdbr5ati  30193
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