Theorem opelxpd 4709

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

Step	Hyp	Ref	Expression
1		opelxpd.1	. 2 |- ( ph -> A e. C )
2		opelxpd.2	. 2 |- ( ph -> B e. D )
3		opelxpi 4708	. 2 |- ( ( A e. C /\ B e. D ) -> <. A , B >. e. ( C X. D ) )
4	1, 2, 3	syl2anc 411	1 |- ( ph -> <. A , B >. e. ( C X. D ) )

Syntax hints:   -> wi 4   e. wcel 2176   <.cop 3636   X. cxp 4674

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 711  ax-5 1470  ax-7 1471  ax-gen 1472  ax-ie1 1516  ax-ie2 1517  ax-8 1527  ax-10 1528  ax-11 1529  ax-i12 1530  ax-bndl 1532  ax-4 1533  ax-17 1549  ax-i9 1553  ax-ial 1557  ax-i5r 1558  ax-14 2179  ax-ext 2187  ax-sep 4163  ax-pow 4219  ax-pr 4254

This theorem depends on definitions:  df-bi 117  df-3an 983  df-tru 1376  df-nf 1484  df-sb 1786  df-clab 2192  df-cleq 2198  df-clel 2201  df-nfc 2337  df-ral 2489  df-rex 2490  df-v 2774  df-un 3170  df-in 3172  df-ss 3179  df-pw 3618  df-sn 3639  df-pr 3640  df-op 3642  df-opab 4107  df-xp 4682

This theorem is referenced by:  suplocsrlemb  7921  seqvalcd  10608  ctiunctlemfo  12843  strslfv2d  12908  imasaddfnlemg  13179  imasaddflemg  13181  txcnp  14776  upxp  14777  txcnmpt  14778  uptx  14779  txdis1cn  14783  txlm  14784  lmcn2  14785  txhmeo  14824  comet  15004  txmetcnp  15023  dvaddxxbr  15206  dvmulxxbr  15207  dvcoapbr  15212  mpodvdsmulf1o  15495