Theorem oveq123d 6096

Description: Equality deduction for operation value. (Contributed by FL, 22-Dec-2008.)

Hypotheses

Ref	Expression
oveq123d.1	⊢ (𝜑 → 𝐹 = 𝐺)
oveq123d.2	⊢ (𝜑 → 𝐴 = 𝐵)
oveq123d.3	⊢ (𝜑 → 𝐶 = 𝐷)

Assertion

Ref	Expression
oveq123d	⊢ (𝜑 → (𝐴𝐹𝐶) = (𝐵𝐺𝐷))

Proof of Theorem oveq123d

Step	Hyp	Ref	Expression
1		oveq123d.1	. . 3 ⊢ (𝜑 → 𝐹 = 𝐺)
2	1	oveqd 6092	. 2 ⊢ (𝜑 → (𝐴𝐹𝐶) = (𝐴𝐺𝐶))
3		oveq123d.2	. . 3 ⊢ (𝜑 → 𝐴 = 𝐵)
4		oveq123d.3	. . 3 ⊢ (𝜑 → 𝐶 = 𝐷)
5	3, 4	oveq12d 6093	. 2 ⊢ (𝜑 → (𝐴𝐺𝐶) = (𝐵𝐺𝐷))
6	2, 5	eqtrd 2271	1 ⊢ (𝜑 → (𝐴𝐹𝐶) = (𝐵𝐺𝐷))

Syntax hints:   → wi 4   = wceq 1402  (class class class)co 6075

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 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-ext 2220

This theorem depends on definitions:  df-bi 117  df-3an 1011  df-tru 1405  df-nf 1514  df-sb 1816  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-rex 2534  df-v 2823  df-un 3224  df-sn 3711  df-pr 3712  df-op 3714  df-uni 3931  df-br 4126  df-iota 5332  df-fv 5380  df-ov 6078

This theorem is referenced by:  csbov123g  6114  issgrp  13695  sgrp1  13703  issgrpd  13704  ismndd  13727  grpsubfvalg  13827  grpsubpropdg  13886  imasgrp  13891  subgsub  13966  releqgg  14000  eqgex  14001  eqgfval  14002  prdsplusgfval  14161  prdsmulrfval  14163  isrng  14208  isrngd  14227  issrg  14243  srgidmlem  14256  isring  14278  ringass  14294  ringidmlem  14300  isringd  14319  ring1  14337  unitlinv  14406  unitrinv  14407  dvrfvald  14413  opprdrng  14593  islmodd  14602  islidlm  14788  rnglidlmsgrp  14806  rnglidlrng  14807  psrval  14973