Axiom ax-his2 8871

Description: Distributive law for inner product. Postulate (S2) of [Beran] p. 95.

Assertion

Ref	Expression
ax-his2	|- ((A e. H~ /\ B e. H~ /\ C e. H~) -> ((A +h B) .ih C) = ((A .ih C) + (B .ih C)))

Detailed syntax breakdown of Axiom ax-his2

Step	Hyp	Ref	Expression
1		cA	. . . 4 class A
2		chil 8727	. . . 4 class H~
3	1, 2	wcel 955	. . 3 wff A e. H~
4		cB	. . . 4 class B
5	4, 2	wcel 955	. . 3 wff B e. H~
6		cC	. . . 4 class C
7	6, 2	wcel 955	. . 3 wff C e. H~
8	3, 5, 7	w3a 773	. 2 wff (A e. H~ /\ B e. H~ /\ C e. H~)
9		cva 8728	. . . . 5 class +h
10	1, 4, 9	co 3948	. . . 4 class (A +h B)
11		csp 8732	. . . 4 class .ih
12	10, 6, 11	co 3948	. . 3 class ((A +h B) .ih C)
13	1, 6, 11	co 3948	. . . 4 class (A .ih C)
14	4, 6, 11	co 3948	. . . 4 class (B .ih C)
15		caddc 5209	. . . 4 class +
16	13, 14, 15	co 3948	. . 3 class ((A .ih C) + (B .ih C))
17	12, 16	wceq 953	. 2 wff ((A +h B) .ih C) = ((A .ih C) + (B .ih C))
18	8, 17	wi 3	1 wff ((A e. H~ /\ B e. H~ /\ C e. H~) -> ((A +h B) .ih C) = ((A .ih C) + (B .ih C)))

This axiom is referenced by:  his7t 8877  hiassdit 8878  his2subt 8879  normlem0 8896  normlem8 8904  ocsh 9072  occllem1 9089  pjspansnt 9417  pjadj 9535  braaddt 9785  lnopunilem1 9850  hmopst 9860  cnlnadjlem2 9916  adjaddt 9940  leopaddt 9977

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