Theorem oveq 6023

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 5638	. 2 ⊢ (𝐹 = 𝐺 → (𝐹‘⟨𝐴, 𝐵⟩) = (𝐺‘⟨𝐴, 𝐵⟩))
2		df-ov 6020	. 2 ⊢ (𝐴𝐹𝐵) = (𝐹‘⟨𝐴, 𝐵⟩)
3		df-ov 6020	. 2 ⊢ (𝐴𝐺𝐵) = (𝐺‘⟨𝐴, 𝐵⟩)
4	1, 2, 3	3eqtr4g 2289	1 ⊢ (𝐹 = 𝐺 → (𝐴𝐹𝐵) = (𝐴𝐺𝐵))

Syntax hints:   → wi 4   = wceq 1397  ⟨cop 3672  ‘cfv 5326  (class class class)co 6017

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 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-ext 2213

This theorem depends on definitions:  df-bi 117  df-tru 1400  df-nf 1509  df-sb 1811  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-rex 2516  df-uni 3894  df-br 4089  df-iota 5286  df-fv 5334  df-ov 6020

This theorem is referenced by:  oveqi  6030  oveqd  6034  ovmpodf  6152  ovmpodv2  6154  mapxpen  7033  ismgm  13439  mgmsscl  13443  issgrp  13485  ismnddef  13500  grpissubg  13780  isrng  13946  islmod  14304  lmodfopne  14339  ispsmet  15046  ismet  15067  isxmet  15068