Theorem oveqi 5938

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 5931	. 2 ⊢ (𝐴 = 𝐵 → (𝐶𝐴𝐷) = (𝐶𝐵𝐷))
3	1, 2	ax-mp 5	1 ⊢ (𝐶𝐴𝐷) = (𝐶𝐵𝐷)

Syntax hints:   = wceq 1364  (class class class)co 5925

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 710  ax-5 1461  ax-7 1462  ax-gen 1463  ax-ie1 1507  ax-ie2 1508  ax-8 1518  ax-10 1519  ax-11 1520  ax-i12 1521  ax-bndl 1523  ax-4 1524  ax-17 1540  ax-i9 1544  ax-ial 1548  ax-i5r 1549  ax-ext 2178

This theorem depends on definitions:  df-bi 117  df-tru 1367  df-nf 1475  df-sb 1777  df-clab 2183  df-cleq 2189  df-clel 2192  df-nfc 2328  df-rex 2481  df-uni 3841  df-br 4035  df-iota 5220  df-fv 5267  df-ov 5928

This theorem is referenced by:  oveq123i  5939  fvmpopr2d  6063  iseqvalcbv  10568  imasplusg  13010  mndprop  13143  issubm  13174  grpprop  13220  ablprop  13503  ringprop  13672  blres  14754  cncfmet  14912