Theorem oveq123d 5898

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 5894	. 2 ⊢ (𝜑 → (𝐴𝐹𝐶) = (𝐴𝐺𝐶))
3		oveq123d.2	. . 3 ⊢ (𝜑 → 𝐴 = 𝐵)
4		oveq123d.3	. . 3 ⊢ (𝜑 → 𝐶 = 𝐷)
5	3, 4	oveq12d 5895	. 2 ⊢ (𝜑 → (𝐴𝐺𝐶) = (𝐵𝐺𝐷))
6	2, 5	eqtrd 2210	1 ⊢ (𝜑 → (𝐴𝐹𝐶) = (𝐵𝐺𝐷))

Syntax hints:   → wi 4   = wceq 1353  (class class class)co 5877

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 709  ax-5 1447  ax-7 1448  ax-gen 1449  ax-ie1 1493  ax-ie2 1494  ax-8 1504  ax-10 1505  ax-11 1506  ax-i12 1507  ax-bndl 1509  ax-4 1510  ax-17 1526  ax-i9 1530  ax-ial 1534  ax-i5r 1535  ax-ext 2159

This theorem depends on definitions:  df-bi 117  df-3an 980  df-tru 1356  df-nf 1461  df-sb 1763  df-clab 2164  df-cleq 2170  df-clel 2173  df-nfc 2308  df-rex 2461  df-v 2741  df-un 3135  df-sn 3600  df-pr 3601  df-op 3603  df-uni 3812  df-br 4006  df-iota 5180  df-fv 5226  df-ov 5880

This theorem is referenced by:  csbov123g  5915  issgrp  12814  sgrp1  12821  ismndd  12843  grpsubfvalg  12923  grpsubpropdg  12979  subgsub  13051  releqgg  13085  eqgfval  13086  issrg  13153  srgidmlem  13166  isring  13188  ringass  13204  ringidmlem  13210  isringd  13225  ring1  13241  unitlinv  13300  unitrinv  13301  dvrfvald  13307  islmodd  13388