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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  8173  seqvalcd  10898  ctiunctlemfo  13330  strslfv2d  13395  imasaddfnlemg  13635  imasaddflemg  13637  txcnp  15372  upxp  15373  txcnmpt  15374  uptx  15375  txdis1cn  15379  txlm  15380  lmcn2  15381  txhmeo  15420  comet  15600  txmetcnp  15619  dvaddxxbr  15802  dvmulxxbr  15803  dvcoapbr  15808  mpodvdsmulf1o  16104  wlkelvv  16590
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