Theorem oveqi 5536

Description: Equality inference for operation value. (Contributed by set.mm contributors, 24-Nov-2007.)

Hypothesis

Ref	Expression
oveq1i.1	|- A = B

Assertion

Ref	Expression
oveqi	|- (CAD) = (CBD)

Proof of Theorem oveqi

Step	Hyp	Ref	Expression
1		oveq1i.1	. 2 |- A = B
2		oveq 5529	. 2 |- (A = B -> (CAD) = (CBD))
3	1, 2	ax-mp 8	1 |- (CAD) = (CBD)

Syntax hints:   = wceq 1642  (class class class)co 5525

This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-3 7  ax-mp 8  ax-gen 1546  ax-5 1557  ax-17 1616  ax-9 1654  ax-8 1675  ax-6 1729  ax-7 1734  ax-11 1746  ax-12 1925  ax-ext 2334

This theorem depends on definitions:  df-bi 177  df-or 359  df-an 360  df-tru 1319  df-ex 1542  df-nf 1545  df-sb 1649  df-clab 2340  df-cleq 2346  df-clel 2349  df-nfc 2478  df-rex 2620  df-uni 3892  df-iota 4339  df-br 4640  df-fv 4795  df-ov 5526

This theorem is referenced by: (None)