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Theorem opelxpd 4807
Description: Ordered pair membership in a Cartesian product, deduction form. (Contributed by Glauco Siliprandi, 3-Mar-2021.)
Hypotheses
Ref Expression
opelxpd.1  |-  ( ph  ->  A  e.  C )
opelxpd.2  |-  ( ph  ->  B  e.  D )
Assertion
Ref Expression
opelxpd  |-  ( ph  -> 
<. A ,  B >.  e.  ( C  X.  D
) )

Proof of Theorem opelxpd
StepHypRef Expression
1 opelxpd.1 . 2  |-  ( ph  ->  A  e.  C )
2 opelxpd.2 . 2  |-  ( ph  ->  B  e.  D )
3 opelxpi 4806 . 2  |-  ( ( A  e.  C  /\  B  e.  D )  -> 
<. A ,  B >.  e.  ( C  X.  D
) )
41, 2, 3syl2anc 415 1  |-  ( ph  -> 
<. A ,  B >.  e.  ( C  X.  D
) )
Colors of variables:    wff set class
This proof depends on syntax axioms:    -> wi 4    e. wcel 2209   <.cop 3712    X. cxp 4772
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-sep 4249  ax-pow 4311  ax-pr 4346
This proof depends on definitions:  df-bi 117  df-3an 1011  df-tru 1405  df-nf 1514  df-sb 1816  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ral 2533  df-rex 2534  df-v 2823  df-un 3224  df-in 3226  df-ss 3233  df-pw 3690  df-sn 3715  df-pr 3716  df-op 3718  df-opab 4193  df-xp 4780
This theorem is used by:  opabssxpd  4811  elovimad  6129  suplocsrlemb  8174  seqvalcd  10913  ctiunctlemfo  13382  strslfv2d  13447  imasaddfnlemg  13688  imasaddflemg  13690  txcnp  15463  upxp  15464  txcnmpt  15465  uptx  15466  txdis1cn  15470  txlm  15471  lmcn2  15472  txhmeo  15511  comet  15691  txmetcnp  15710  dvaddxxbr  15893  dvmulxxbr  15894  dvcoapbr  15899  mpodvdsmulf1o  16245  wlkelvv  16756
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