Theorem oveqi 5878

Description: Equality inference for operation value. (Contributed by NM, 24-Nov-2007.)

Hypothesis

Ref	Expression
oveq1i.1	⊢ 𝐴 = 𝐵

Assertion

Ref	Expression
oveqi	⊢ (𝐶𝐴𝐷) = (𝐶𝐵𝐷)

Proof of Theorem oveqi

Step	Hyp	Ref	Expression
1		oveq1i.1	. 2 ⊢ 𝐴 = 𝐵
2		oveq 5871	. 2 ⊢ (𝐴 = 𝐵 → (𝐶𝐴𝐷) = (𝐶𝐵𝐷))
3	1, 2	ax-mp 5	1 ⊢ (𝐶𝐴𝐷) = (𝐶𝐵𝐷)

Syntax hints:   = wceq 1353  (class class class)co 5865

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 709  ax-5 1445  ax-7 1446  ax-gen 1447  ax-ie1 1491  ax-ie2 1492  ax-8 1502  ax-10 1503  ax-11 1504  ax-i12 1505  ax-bndl 1507  ax-4 1508  ax-17 1524  ax-i9 1528  ax-ial 1532  ax-i5r 1533  ax-ext 2157

This theorem depends on definitions:  df-bi 117  df-tru 1356  df-nf 1459  df-sb 1761  df-clab 2162  df-cleq 2168  df-clel 2171  df-nfc 2306  df-rex 2459  df-uni 3806  df-br 3999  df-iota 5170  df-fv 5216  df-ov 5868

This theorem is referenced by:  oveq123i  5879  iseqvalcbv  10425  mndprop  12706  issubm  12724  grpprop  12754  ablprop  12896  ringprop  13011  blres  13485  cncfmet  13630