Theorem oveq 5857

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 5493	. 2 ⊢ (𝐹 = 𝐺 → (𝐹‘⟨𝐴, 𝐵⟩) = (𝐺‘⟨𝐴, 𝐵⟩))
2		df-ov 5854	. 2 ⊢ (𝐴𝐹𝐵) = (𝐹‘⟨𝐴, 𝐵⟩)
3		df-ov 5854	. 2 ⊢ (𝐴𝐺𝐵) = (𝐺‘⟨𝐴, 𝐵⟩)
4	1, 2, 3	3eqtr4g 2228	1 ⊢ (𝐹 = 𝐺 → (𝐴𝐹𝐵) = (𝐴𝐺𝐵))

Syntax hints:   → wi 4   = wceq 1348  ⟨cop 3584  ‘cfv 5196  (class class class)co 5851

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 704  ax-5 1440  ax-7 1441  ax-gen 1442  ax-ie1 1486  ax-ie2 1487  ax-8 1497  ax-10 1498  ax-11 1499  ax-i12 1500  ax-bndl 1502  ax-4 1503  ax-17 1519  ax-i9 1523  ax-ial 1527  ax-i5r 1528  ax-ext 2152

This theorem depends on definitions:  df-bi 116  df-tru 1351  df-nf 1454  df-sb 1756  df-clab 2157  df-cleq 2163  df-clel 2166  df-nfc 2301  df-rex 2454  df-uni 3795  df-br 3988  df-iota 5158  df-fv 5204  df-ov 5854

This theorem is referenced by:  oveqi  5864  oveqd  5868  ovmpodf  5982  ovmpodv2  5984  mapxpen  6823  ismgm  12600  mgmsscl  12604  issgrp  12633  ismnddef  12643  ispsmet  13078  ismet  13099  isxmet  13100