Theorem oveq 5773

Description: Equality theorem for operation value. (Contributed by NM, 28-Feb-1995.)

Assertion

Ref	Expression
oveq	⊢ (𝐹 = 𝐺 → (𝐴𝐹𝐵) = (𝐴𝐺𝐵))

Proof of Theorem oveq

Step	Hyp	Ref	Expression
1		fveq1 5413	. 2 ⊢ (𝐹 = 𝐺 → (𝐹‘⟨𝐴, 𝐵⟩) = (𝐺‘⟨𝐴, 𝐵⟩))
2		df-ov 5770	. 2 ⊢ (𝐴𝐹𝐵) = (𝐹‘⟨𝐴, 𝐵⟩)
3		df-ov 5770	. 2 ⊢ (𝐴𝐺𝐵) = (𝐺‘⟨𝐴, 𝐵⟩)
4	1, 2, 3	3eqtr4g 2195	1 ⊢ (𝐹 = 𝐺 → (𝐴𝐹𝐵) = (𝐴𝐺𝐵))

Syntax hints:   → wi 4   = wceq 1331  ⟨cop 3525  ‘cfv 5118  (class class class)co 5767

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 698  ax-5 1423  ax-7 1424  ax-gen 1425  ax-ie1 1469  ax-ie2 1470  ax-8 1482  ax-10 1483  ax-11 1484  ax-i12 1485  ax-bndl 1486  ax-4 1487  ax-17 1506  ax-i9 1510  ax-ial 1514  ax-i5r 1515  ax-ext 2119

This theorem depends on definitions:  df-bi 116  df-tru 1334  df-nf 1437  df-sb 1736  df-clab 2124  df-cleq 2130  df-clel 2133  df-nfc 2268  df-rex 2420  df-uni 3732  df-br 3925  df-iota 5083  df-fv 5126  df-ov 5770

This theorem is referenced by:  oveqi  5780  oveqd  5784  ovmpodf  5895  ovmpodv2  5897  mapxpen  6735  ispsmet  12481  ismet  12502  isxmet  12503