Axiom ax-mulcom 8193

Description: Multiplication of complex numbers is commutative. Axiom for real and complex numbers, justified by Theorem axmulcom 8151. Proofs should normally use mulcom 8221 instead. (New usage is discouraged.) (Contributed by NM, 22-Nov-1994.)

Assertion

Ref	Expression
ax-mulcom	|- ( ( A e. CC /\ B e. CC ) -> ( A x. B ) = ( B x. A ) )

Detailed syntax breakdown of Axiom ax-mulcom

Step	Hyp	Ref	Expression
1		cA	. . . 4 class A
2		cc 8090	. . . 4 class CC
3	1, 2	wcel 2202	. . 3 wff A e. CC
4		cB	. . . 4 class B
5	4, 2	wcel 2202	. . 3 wff B e. CC
6	3, 5	wa 104	. 2 wff ( A e. CC /\ B e. CC )
7		cmul 8097	. . . 4 class x.
8	1, 4, 7	co 6028	. . 3 class ( A x. B )
9	4, 1, 7	co 6028	. . 3 class ( B x. A )
10	8, 9	wceq 1398	. 2 wff ( A x. B ) = ( B x. A )
11	6, 10	wi 4	1 wff ( ( A e. CC /\ B e. CC ) -> ( A x. B ) = ( B x. A ) )

This axiom is referenced by:  mulcom  8221