Theorem oveq123d 5533

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 5529	. 2 ⊢ (𝜑 → (𝐴𝐹𝐶) = (𝐴𝐺𝐶))
3		oveq123d.2	. . 3 ⊢ (𝜑 → 𝐴 = 𝐵)
4		oveq123d.3	. . 3 ⊢ (𝜑 → 𝐶 = 𝐷)
5	3, 4	oveq12d 5530	. 2 ⊢ (𝜑 → (𝐴𝐺𝐶) = (𝐵𝐺𝐷))
6	2, 5	eqtrd 2072	1 ⊢ (𝜑 → (𝐴𝐹𝐶) = (𝐵𝐺𝐷))

Syntax hints:   → wi 4   = wceq 1243  (class class class)co 5512

This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 99  ax-ia2 100  ax-ia3 101  ax-io 630  ax-5 1336  ax-7 1337  ax-gen 1338  ax-ie1 1382  ax-ie2 1383  ax-8 1395  ax-10 1396  ax-11 1397  ax-i12 1398  ax-bndl 1399  ax-4 1400  ax-17 1419  ax-i9 1423  ax-ial 1427  ax-i5r 1428  ax-ext 2022

This theorem depends on definitions:  df-bi 110  df-3an 887  df-tru 1246  df-nf 1350  df-sb 1646  df-clab 2027  df-cleq 2033  df-clel 2036  df-nfc 2167  df-rex 2312  df-v 2559  df-un 2922  df-sn 3381  df-pr 3382  df-op 3384  df-uni 3581  df-br 3765  df-iota 4867  df-fv 4910  df-ov 5515

This theorem is referenced by:  csbov123g  5543