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Theorem chjcomi 29251
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 29010 . 2 𝐴S
3 chjcl.2 . . 3 𝐵C
43chshii 29010 . 2 𝐵S
52, 4shjcomi 29154 1 (𝐴 𝐵) = (𝐵 𝐴)
Colors of variables: wff setvar class
Syntax hints:   = wceq 1538  wcel 2111  (class class class)co 7135   C cch 28712   chj 28716
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2113  ax-9 2121  ax-10 2142  ax-11 2158  ax-12 2175  ax-ext 2770  ax-sep 5167  ax-nul 5174  ax-pr 5295  ax-hilex 28782
This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3an 1086  df-tru 1541  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2598  df-eu 2629  df-clab 2777  df-cleq 2791  df-clel 2870  df-nfc 2938  df-ral 3111  df-rex 3112  df-rab 3115  df-v 3443  df-sbc 3721  df-dif 3884  df-un 3886  df-in 3888  df-ss 3898  df-nul 4244  df-if 4426  df-pw 4499  df-sn 4526  df-pr 4528  df-op 4532  df-uni 4801  df-br 5031  df-opab 5093  df-id 5425  df-xp 5525  df-rel 5526  df-cnv 5527  df-co 5528  df-dm 5529  df-rn 5530  df-res 5531  df-ima 5532  df-iota 6283  df-fun 6326  df-fv 6332  df-ov 7138  df-oprab 7139  df-mpo 7140  df-sh 28990  df-ch 29004  df-chj 29093
This theorem is referenced by:  chub2i  29253  chnlei  29268  chj12i  29305  lejdiri  29322  cmcm2i  29376  cmbr3i  29383  qlax2i  29411  osumcor2i  29427  3oalem5  29449  pjcji  29467  mayetes3i  29512  mdslj2i  30103  mdsl1i  30104  cvmdi  30107  mdslmd2i  30113  mdexchi  30118  cvexchi  30152  atabsi  30184  mdsymlem1  30186  mdsymlem6  30191  mdsymlem8  30193  sumdmdlem2  30202  dmdbr5ati  30205
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