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Theorem cnvex 4876
Description: The converse of a set is a set. Corollary 6.8(1) of [TakeutiZaring] p. 26. (Contributed by NM, 19-Dec-2003.)
Hypothesis
Ref Expression
cnvex.1  |-  A  e. 
_V
Assertion
Ref Expression
cnvex  |-  `' A  e.  _V

Proof of Theorem cnvex
StepHypRef Expression
1 cnvex.1 . 2  |-  A  e. 
_V
2 cnvexg 4875 . 2  |-  ( A  e.  _V  ->  `' A  e.  _V )
31, 2ax-mp 7 1  |-  `' A  e.  _V
Colors of variables: wff set class
Syntax hints:    e. wcel 1433   _Vcvv 2601   `'ccnv 4362
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 104  ax-ia2 105  ax-ia3 106  ax-io 662  ax-5 1376  ax-7 1377  ax-gen 1378  ax-ie1 1422  ax-ie2 1423  ax-8 1435  ax-10 1436  ax-11 1437  ax-i12 1438  ax-bndl 1439  ax-4 1440  ax-13 1444  ax-14 1445  ax-17 1459  ax-i9 1463  ax-ial 1467  ax-i5r 1468  ax-ext 2063  ax-sep 3896  ax-pow 3948  ax-pr 3964  ax-un 4188
This theorem depends on definitions:  df-bi 115  df-3an 921  df-tru 1287  df-nf 1390  df-sb 1686  df-eu 1944  df-mo 1945  df-clab 2068  df-cleq 2074  df-clel 2077  df-nfc 2208  df-ral 2353  df-rex 2354  df-v 2603  df-un 2977  df-in 2979  df-ss 2986  df-pw 3384  df-sn 3404  df-pr 3405  df-op 3407  df-uni 3602  df-br 3786  df-opab 3840  df-xp 4369  df-rel 4370  df-cnv 4371  df-dm 4373  df-rn 4374
This theorem is referenced by:  funcnvuni  4988  brtpos2  5889  xpcomco  6323  frecfzennn  9419
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