Theorem oveqi 5855

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 5848	. 2 ⊢ (𝐴 = 𝐵 → (𝐶𝐴𝐷) = (𝐶𝐵𝐷))
3	1, 2	ax-mp 5	1 ⊢ (𝐶𝐴𝐷) = (𝐶𝐵𝐷)

Syntax hints:   = wceq 1343  (class class class)co 5842

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-io 699  ax-5 1435  ax-7 1436  ax-gen 1437  ax-ie1 1481  ax-ie2 1482  ax-8 1492  ax-10 1493  ax-11 1494  ax-i12 1495  ax-bndl 1497  ax-4 1498  ax-17 1514  ax-i9 1518  ax-ial 1522  ax-i5r 1523  ax-ext 2147

This theorem depends on definitions:  df-bi 116  df-tru 1346  df-nf 1449  df-sb 1751  df-clab 2152  df-cleq 2158  df-clel 2161  df-nfc 2297  df-rex 2450  df-uni 3790  df-br 3983  df-iota 5153  df-fv 5196  df-ov 5845

This theorem is referenced by:  oveq123i  5856  iseqvalcbv  10392  blres  13074  cncfmet  13219