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Theorem bicomi 132
Description: Inference from commutative law for logical equivalence. (Contributed by NM, 5-Aug-1993.) (Revised by NM, 16-Sep-2013.)
Hypothesis
Ref Expression
bicomi.1 (𝜑𝜓)
Assertion
Ref Expression
bicomi (𝜓𝜑)

Proof of Theorem bicomi
StepHypRef Expression
1 bicomi.1 . 2 (𝜑𝜓)
2 bicom1 131 . 2 ((𝜑𝜓) → (𝜓𝜑))
31, 2ax-mp 5 1 (𝜓𝜑)
Colors of variables: wff set class
Syntax hints:  wb 105
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108
This theorem depends on definitions:  df-bi 117
This theorem is referenced by:  biimpri  133  bitr2i  185  bitr3i  186  bitr4i  187  bitr3id  194  bitr3di  195  bitr4di  198  bitr4id  199  pm5.41  251  anidm  396  an21  471  pm4.87  557  anabs1  572  anabs7  574  an43  588  pm4.76  606  mtbir  675  sylnibr  681  sylnbir  683  xchnxbir  685  xchbinxr  687  nbn  704  pm4.25  763  pm4.56  785  pm4.77  804  pm3.2an3  1200  syl3anbr  1315  3an6  1356  truan  1412  truimfal  1452  nottru  1455  sbid  1820  sb10f  2046  cleljust  2206  eqabdv  2358  nfabdw  2391  necon3bbii  2437  rspc2gv  2920  alexeq  2930  ceqsrexbv  2935  clel2  2937  clel4  2940  dfsbcq2  3032  cbvreucsf  3190  dfdif3  3315  raldifb  3345  difab  3474  un0  3526  in0  3527  ss0b  3532  rexdifpr  3695  snssb  3804  snssg  3805  iindif2m  4036  epse  4437  abnex  4542  uniuni  4546  elco  4894  cotr  5116  issref  5117  mptpreima  5228  ralrnmpt  5785  rexrnmpt  5786  eroveu  6790  wrd2ind  11294  fprodseq  12134  issrg  13968  toptopon  14732  xmeterval  15149  txmetcnp  15232  dedekindicclemicc  15346  eldvap  15396  fsumdvdsmul  15705  isclwwlk  16189  iseupthf1o  16243  if0ab  16337  bdeq  16354  bd0r  16356  bdcriota  16414  bj-d0clsepcl  16456  bj-dfom  16464
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