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Theorem opex 4321
Description: An ordered pair of sets is a set. (Contributed by Jim Kingdon, 24-Sep-2018.) (Revised by Mario Carneiro, 24-May-2019.)
Hypotheses
Ref Expression
opex.1  |-  A  e. 
_V
opex.2  |-  B  e. 
_V
Assertion
Ref Expression
opex  |-  <. A ,  B >.  e.  _V

Proof of Theorem opex
StepHypRef Expression
1 opex.1 . 2  |-  A  e. 
_V
2 opex.2 . 2  |-  B  e. 
_V
3 opexg 4320 . 2  |-  ( ( A  e.  _V  /\  B  e.  _V )  -> 
<. A ,  B >.  e. 
_V )
41, 2, 3mp2an 426 1  |-  <. A ,  B >.  e.  _V
Colors of variables: wff set class
Syntax hints:    e. wcel 2202   _Vcvv 2802   <.cop 3672
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-14 2205  ax-ext 2213  ax-sep 4207  ax-pow 4264  ax-pr 4299
This theorem depends on definitions:  df-bi 117  df-3an 1006  df-tru 1400  df-nf 1509  df-sb 1811  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-v 2804  df-un 3204  df-in 3206  df-ss 3213  df-pw 3654  df-sn 3675  df-pr 3676  df-op 3678
This theorem is referenced by:  otth2  4333  opabid  4350  elopab  4352  opabm  4375  elvvv  4789  relsnop  4832  xpiindim  4867  raliunxp  4871  rexiunxp  4872  intirr  5123  xpmlem  5157  dmsnm  5202  dmsnopg  5208  cnvcnvsn  5213  op2ndb  5220  cnviinm  5278  funopg  5360  fsn  5819  fvsn  5848  idref  5896  oprabid  6049  dfoprab2  6067  rnoprab  6103  fo1st  6319  fo2nd  6320  eloprabi  6360  xporderlem  6395  cnvoprab  6398  dmtpos  6421  rntpos  6422  tpostpos  6429  iinerm  6775  th3qlem2  6806  elixpsn  6903  ensn1  6969  mapsnen  6985  dom1o  7001  xpsnen  7004  xpcomco  7009  xpassen  7013  xpmapenlem  7034  phplem2  7038  ac6sfi  7086  djuss  7268  genipdm  7735  ioof  10205  wrdexb  11124  fsumcnv  11997  fprodcnv  12185  nninfct  12611  prdsex  13351  fnpsr  14680  txdis1cn  15001  griedg0ssusgr  16101
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