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Theorem xpeq1d 4500
 Description: Equality deduction for cross product. (Contributed by Jeff Madsen, 17-Jun-2010.)
Hypothesis
Ref Expression
xpeq1d.1
Assertion
Ref Expression
xpeq1d

Proof of Theorem xpeq1d
StepHypRef Expression
1 xpeq1d.1 . 2
2 xpeq1 4491 . 2
31, 2syl 14 1
 Colors of variables: wff set class Syntax hints:   wi 4   wceq 1299   cxp 4475 This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-5 1391  ax-7 1392  ax-gen 1393  ax-ie1 1437  ax-ie2 1438  ax-8 1450  ax-11 1452  ax-4 1455  ax-17 1474  ax-i9 1478  ax-ial 1482  ax-i5r 1483  ax-ext 2082 This theorem depends on definitions:  df-bi 116  df-tru 1302  df-nf 1405  df-sb 1704  df-clab 2087  df-cleq 2093  df-clel 2096  df-opab 3930  df-xp 4483 This theorem is referenced by:  xpssres  4790  ixpsnf1o  6560  xpfi  6747  hashxp  10413
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