Theorem ocvlss 20361

Description: The orthocomplement of a subset is a linear subspace of the pre-Hilbert space. (Contributed by Mario Carneiro, 13-Oct-2015.)

Hypotheses

Ref	Expression
ocvss.v	⊢ 𝑉 = (Base‘𝑊)
ocvss.o	⊢ ⊥ = (ocv‘𝑊)
ocvlss.l	⊢ 𝐿 = (LSubSp‘𝑊)

Assertion

Ref	Expression
ocvlss	⊢ ((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) → ( ⊥ ‘𝑆) ∈ 𝐿)

Proof of Theorem ocvlss

Dummy variables 𝑥 𝑟 𝑦 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		ocvss.v	. . . 4 ⊢ 𝑉 = (Base‘𝑊)
2		ocvss.o	. . . 4 ⊢ ⊥ = (ocv‘𝑊)
3	1, 2	ocvss 20359	. . 3 ⊢ ( ⊥ ‘𝑆) ⊆ 𝑉
4	3	a1i 11	. 2 ⊢ ((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) → ( ⊥ ‘𝑆) ⊆ 𝑉)
5		simpr 488	. . . 4 ⊢ ((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) → 𝑆 ⊆ 𝑉)
6		phllmod 20319	. . . . . 6 ⊢ (𝑊 ∈ PreHil → 𝑊 ∈ LMod)
7	6	adantr 484	. . . . 5 ⊢ ((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) → 𝑊 ∈ LMod)
8		eqid 2798	. . . . . 6 ⊢ (0g‘𝑊) = (0g‘𝑊)
9	1, 8	lmod0vcl 19656	. . . . 5 ⊢ (𝑊 ∈ LMod → (0g‘𝑊) ∈ 𝑉)
10	7, 9	syl 17	. . . 4 ⊢ ((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) → (0g‘𝑊) ∈ 𝑉)
11		simpll 766	. . . . . 6 ⊢ (((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ 𝑥 ∈ 𝑆) → 𝑊 ∈ PreHil)
12	5	sselda 3915	. . . . . 6 ⊢ (((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ 𝑥 ∈ 𝑆) → 𝑥 ∈ 𝑉)
13		eqid 2798	. . . . . . 7 ⊢ (Scalar‘𝑊) = (Scalar‘𝑊)
14		eqid 2798	. . . . . . 7 ⊢ (·𝑖‘𝑊) = (·𝑖‘𝑊)
15		eqid 2798	. . . . . . 7 ⊢ (0g‘(Scalar‘𝑊)) = (0g‘(Scalar‘𝑊))
16	13, 14, 1, 15, 8	ip0l 20325	. . . . . 6 ⊢ ((𝑊 ∈ PreHil ∧ 𝑥 ∈ 𝑉) → ((0g‘𝑊)(·𝑖‘𝑊)𝑥) = (0g‘(Scalar‘𝑊)))
17	11, 12, 16	syl2anc 587	. . . . 5 ⊢ (((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ 𝑥 ∈ 𝑆) → ((0g‘𝑊)(·𝑖‘𝑊)𝑥) = (0g‘(Scalar‘𝑊)))
18	17	ralrimiva 3149	. . . 4 ⊢ ((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) → ∀𝑥 ∈ 𝑆 ((0g‘𝑊)(·𝑖‘𝑊)𝑥) = (0g‘(Scalar‘𝑊)))
19	1, 14, 13, 15, 2	elocv 20357	. . . 4 ⊢ ((0g‘𝑊) ∈ ( ⊥ ‘𝑆) ↔ (𝑆 ⊆ 𝑉 ∧ (0g‘𝑊) ∈ 𝑉 ∧ ∀𝑥 ∈ 𝑆 ((0g‘𝑊)(·𝑖‘𝑊)𝑥) = (0g‘(Scalar‘𝑊))))
20	5, 10, 18, 19	syl3anbrc 1340	. . 3 ⊢ ((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) → (0g‘𝑊) ∈ ( ⊥ ‘𝑆))
21	20	ne0d 4251	. 2 ⊢ ((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) → ( ⊥ ‘𝑆) ≠ ∅)
22	5	adantr 484	. . . 4 ⊢ (((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) → 𝑆 ⊆ 𝑉)
23	7	adantr 484	. . . . 5 ⊢ (((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) → 𝑊 ∈ LMod)
24		simpr1 1191	. . . . . 6 ⊢ (((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) → 𝑟 ∈ (Base‘(Scalar‘𝑊)))
25		simpr2 1192	. . . . . . 7 ⊢ (((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) → 𝑦 ∈ ( ⊥ ‘𝑆))
26	3, 25	sseldi 3913	. . . . . 6 ⊢ (((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) → 𝑦 ∈ 𝑉)
27		eqid 2798	. . . . . . 7 ⊢ ( ·𝑠 ‘𝑊) = ( ·𝑠 ‘𝑊)
28		eqid 2798	. . . . . . 7 ⊢ (Base‘(Scalar‘𝑊)) = (Base‘(Scalar‘𝑊))
29	1, 13, 27, 28	lmodvscl 19644	. . . . . 6 ⊢ ((𝑊 ∈ LMod ∧ 𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ 𝑉) → (𝑟( ·𝑠 ‘𝑊)𝑦) ∈ 𝑉)
30	23, 24, 26, 29	syl3anc 1368	. . . . 5 ⊢ (((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) → (𝑟( ·𝑠 ‘𝑊)𝑦) ∈ 𝑉)
31		simpr3 1193	. . . . . 6 ⊢ (((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) → 𝑧 ∈ ( ⊥ ‘𝑆))
32	3, 31	sseldi 3913	. . . . 5 ⊢ (((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) → 𝑧 ∈ 𝑉)
33		eqid 2798	. . . . . 6 ⊢ (+g‘𝑊) = (+g‘𝑊)
34	1, 33	lmodvacl 19641	. . . . 5 ⊢ ((𝑊 ∈ LMod ∧ (𝑟( ·𝑠 ‘𝑊)𝑦) ∈ 𝑉 ∧ 𝑧 ∈ 𝑉) → ((𝑟( ·𝑠 ‘𝑊)𝑦)(+g‘𝑊)𝑧) ∈ 𝑉)
35	23, 30, 32, 34	syl3anc 1368	. . . 4 ⊢ (((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) → ((𝑟( ·𝑠 ‘𝑊)𝑦)(+g‘𝑊)𝑧) ∈ 𝑉)
36	11	adantlr 714	. . . . . . 7 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) ∧ 𝑥 ∈ 𝑆) → 𝑊 ∈ PreHil)
37	30	adantr 484	. . . . . . 7 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) ∧ 𝑥 ∈ 𝑆) → (𝑟( ·𝑠 ‘𝑊)𝑦) ∈ 𝑉)
38	32	adantr 484	. . . . . . 7 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) ∧ 𝑥 ∈ 𝑆) → 𝑧 ∈ 𝑉)
39	12	adantlr 714	. . . . . . 7 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) ∧ 𝑥 ∈ 𝑆) → 𝑥 ∈ 𝑉)
40		eqid 2798	. . . . . . . 8 ⊢ (+g‘(Scalar‘𝑊)) = (+g‘(Scalar‘𝑊))
41	13, 14, 1, 33, 40	ipdir 20328	. . . . . . 7 ⊢ ((𝑊 ∈ PreHil ∧ ((𝑟( ·𝑠 ‘𝑊)𝑦) ∈ 𝑉 ∧ 𝑧 ∈ 𝑉 ∧ 𝑥 ∈ 𝑉)) → (((𝑟( ·𝑠 ‘𝑊)𝑦)(+g‘𝑊)𝑧)(·𝑖‘𝑊)𝑥) = (((𝑟( ·𝑠 ‘𝑊)𝑦)(·𝑖‘𝑊)𝑥)(+g‘(Scalar‘𝑊))(𝑧(·𝑖‘𝑊)𝑥)))
42	36, 37, 38, 39, 41	syl13anc 1369	. . . . . 6 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) ∧ 𝑥 ∈ 𝑆) → (((𝑟( ·𝑠 ‘𝑊)𝑦)(+g‘𝑊)𝑧)(·𝑖‘𝑊)𝑥) = (((𝑟( ·𝑠 ‘𝑊)𝑦)(·𝑖‘𝑊)𝑥)(+g‘(Scalar‘𝑊))(𝑧(·𝑖‘𝑊)𝑥)))
43	24	adantr 484	. . . . . . . . 9 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) ∧ 𝑥 ∈ 𝑆) → 𝑟 ∈ (Base‘(Scalar‘𝑊)))
44	26	adantr 484	. . . . . . . . 9 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) ∧ 𝑥 ∈ 𝑆) → 𝑦 ∈ 𝑉)
45		eqid 2798	. . . . . . . . . 10 ⊢ (.r‘(Scalar‘𝑊)) = (.r‘(Scalar‘𝑊))
46	13, 14, 1, 28, 27, 45	ipass 20334	. . . . . . . . 9 ⊢ ((𝑊 ∈ PreHil ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ 𝑉 ∧ 𝑥 ∈ 𝑉)) → ((𝑟( ·𝑠 ‘𝑊)𝑦)(·𝑖‘𝑊)𝑥) = (𝑟(.r‘(Scalar‘𝑊))(𝑦(·𝑖‘𝑊)𝑥)))
47	36, 43, 44, 39, 46	syl13anc 1369	. . . . . . . 8 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) ∧ 𝑥 ∈ 𝑆) → ((𝑟( ·𝑠 ‘𝑊)𝑦)(·𝑖‘𝑊)𝑥) = (𝑟(.r‘(Scalar‘𝑊))(𝑦(·𝑖‘𝑊)𝑥)))
48	1, 14, 13, 15, 2	ocvi 20358	. . . . . . . . . 10 ⊢ ((𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑥 ∈ 𝑆) → (𝑦(·𝑖‘𝑊)𝑥) = (0g‘(Scalar‘𝑊)))
49	25, 48	sylan 583	. . . . . . . . 9 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) ∧ 𝑥 ∈ 𝑆) → (𝑦(·𝑖‘𝑊)𝑥) = (0g‘(Scalar‘𝑊)))
50	49	oveq2d 7151	. . . . . . . 8 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) ∧ 𝑥 ∈ 𝑆) → (𝑟(.r‘(Scalar‘𝑊))(𝑦(·𝑖‘𝑊)𝑥)) = (𝑟(.r‘(Scalar‘𝑊))(0g‘(Scalar‘𝑊))))
51	23	adantr 484	. . . . . . . . . 10 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) ∧ 𝑥 ∈ 𝑆) → 𝑊 ∈ LMod)
52	13	lmodring 19635	. . . . . . . . . 10 ⊢ (𝑊 ∈ LMod → (Scalar‘𝑊) ∈ Ring)
53	51, 52	syl 17	. . . . . . . . 9 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) ∧ 𝑥 ∈ 𝑆) → (Scalar‘𝑊) ∈ Ring)
54	28, 45, 15	ringrz 19334	. . . . . . . . 9 ⊢ (((Scalar‘𝑊) ∈ Ring ∧ 𝑟 ∈ (Base‘(Scalar‘𝑊))) → (𝑟(.r‘(Scalar‘𝑊))(0g‘(Scalar‘𝑊))) = (0g‘(Scalar‘𝑊)))
55	53, 43, 54	syl2anc 587	. . . . . . . 8 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) ∧ 𝑥 ∈ 𝑆) → (𝑟(.r‘(Scalar‘𝑊))(0g‘(Scalar‘𝑊))) = (0g‘(Scalar‘𝑊)))
56	47, 50, 55	3eqtrd 2837	. . . . . . 7 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) ∧ 𝑥 ∈ 𝑆) → ((𝑟( ·𝑠 ‘𝑊)𝑦)(·𝑖‘𝑊)𝑥) = (0g‘(Scalar‘𝑊)))
57	1, 14, 13, 15, 2	ocvi 20358	. . . . . . . 8 ⊢ ((𝑧 ∈ ( ⊥ ‘𝑆) ∧ 𝑥 ∈ 𝑆) → (𝑧(·𝑖‘𝑊)𝑥) = (0g‘(Scalar‘𝑊)))
58	31, 57	sylan 583	. . . . . . 7 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) ∧ 𝑥 ∈ 𝑆) → (𝑧(·𝑖‘𝑊)𝑥) = (0g‘(Scalar‘𝑊)))
59	56, 58	oveq12d 7153	. . . . . 6 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) ∧ 𝑥 ∈ 𝑆) → (((𝑟( ·𝑠 ‘𝑊)𝑦)(·𝑖‘𝑊)𝑥)(+g‘(Scalar‘𝑊))(𝑧(·𝑖‘𝑊)𝑥)) = ((0g‘(Scalar‘𝑊))(+g‘(Scalar‘𝑊))(0g‘(Scalar‘𝑊))))
60	13	lmodfgrp 19636	. . . . . . 7 ⊢ (𝑊 ∈ LMod → (Scalar‘𝑊) ∈ Grp)
61	28, 15	grpidcl 18123	. . . . . . . 8 ⊢ ((Scalar‘𝑊) ∈ Grp → (0g‘(Scalar‘𝑊)) ∈ (Base‘(Scalar‘𝑊)))
62	28, 40, 15	grplid 18125	. . . . . . . 8 ⊢ (((Scalar‘𝑊) ∈ Grp ∧ (0g‘(Scalar‘𝑊)) ∈ (Base‘(Scalar‘𝑊))) → ((0g‘(Scalar‘𝑊))(+g‘(Scalar‘𝑊))(0g‘(Scalar‘𝑊))) = (0g‘(Scalar‘𝑊)))
63	61, 62	mpdan 686	. . . . . . 7 ⊢ ((Scalar‘𝑊) ∈ Grp → ((0g‘(Scalar‘𝑊))(+g‘(Scalar‘𝑊))(0g‘(Scalar‘𝑊))) = (0g‘(Scalar‘𝑊)))
64	51, 60, 63	3syl 18	. . . . . 6 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) ∧ 𝑥 ∈ 𝑆) → ((0g‘(Scalar‘𝑊))(+g‘(Scalar‘𝑊))(0g‘(Scalar‘𝑊))) = (0g‘(Scalar‘𝑊)))
65	42, 59, 64	3eqtrd 2837	. . . . 5 ⊢ ((((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) ∧ 𝑥 ∈ 𝑆) → (((𝑟( ·𝑠 ‘𝑊)𝑦)(+g‘𝑊)𝑧)(·𝑖‘𝑊)𝑥) = (0g‘(Scalar‘𝑊)))
66	65	ralrimiva 3149	. . . 4 ⊢ (((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) → ∀𝑥 ∈ 𝑆 (((𝑟( ·𝑠 ‘𝑊)𝑦)(+g‘𝑊)𝑧)(·𝑖‘𝑊)𝑥) = (0g‘(Scalar‘𝑊)))
67	1, 14, 13, 15, 2	elocv 20357	. . . 4 ⊢ (((𝑟( ·𝑠 ‘𝑊)𝑦)(+g‘𝑊)𝑧) ∈ ( ⊥ ‘𝑆) ↔ (𝑆 ⊆ 𝑉 ∧ ((𝑟( ·𝑠 ‘𝑊)𝑦)(+g‘𝑊)𝑧) ∈ 𝑉 ∧ ∀𝑥 ∈ 𝑆 (((𝑟( ·𝑠 ‘𝑊)𝑦)(+g‘𝑊)𝑧)(·𝑖‘𝑊)𝑥) = (0g‘(Scalar‘𝑊))))
68	22, 35, 66, 67	syl3anbrc 1340	. . 3 ⊢ (((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) ∧ (𝑟 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑦 ∈ ( ⊥ ‘𝑆) ∧ 𝑧 ∈ ( ⊥ ‘𝑆))) → ((𝑟( ·𝑠 ‘𝑊)𝑦)(+g‘𝑊)𝑧) ∈ ( ⊥ ‘𝑆))
69	68	ralrimivvva 3157	. 2 ⊢ ((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) → ∀𝑟 ∈ (Base‘(Scalar‘𝑊))∀𝑦 ∈ ( ⊥ ‘𝑆)∀𝑧 ∈ ( ⊥ ‘𝑆)((𝑟( ·𝑠 ‘𝑊)𝑦)(+g‘𝑊)𝑧) ∈ ( ⊥ ‘𝑆))
70		ocvlss.l	. . 3 ⊢ 𝐿 = (LSubSp‘𝑊)
71	13, 28, 1, 33, 27, 70	islss 19699	. 2 ⊢ (( ⊥ ‘𝑆) ∈ 𝐿 ↔ (( ⊥ ‘𝑆) ⊆ 𝑉 ∧ ( ⊥ ‘𝑆) ≠ ∅ ∧ ∀𝑟 ∈ (Base‘(Scalar‘𝑊))∀𝑦 ∈ ( ⊥ ‘𝑆)∀𝑧 ∈ ( ⊥ ‘𝑆)((𝑟( ·𝑠 ‘𝑊)𝑦)(+g‘𝑊)𝑧) ∈ ( ⊥ ‘𝑆)))
72	4, 21, 69, 71	syl3anbrc 1340	1 ⊢ ((𝑊 ∈ PreHil ∧ 𝑆 ⊆ 𝑉) → ( ⊥ ‘𝑆) ∈ 𝐿)

Syntax hints:   → wi 4   ∧ wa 399   ∧ w3a 1084   = wceq 1538   ∈ wcel 2111   ≠ wne 2987  ∀wral 3106   ⊆ wss 3881  ∅c0 4243  ‘cfv 6324  (class class class)co 7135  Basecbs 16475  +_gcplusg 16557  ._rcmulr 16558  Scalarcsca 16560   ·_𝑠 cvsca 16561  ·_𝑖cip 16562  0_gc0g 16705  Grpcgrp 18095  Ringcrg 19290  LModclmod 19627  LSubSpclss 19696  PreHilcphl 20313  ocvcocv 20349

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2113  ax-9 2121  ax-10 2142  ax-11 2158  ax-12 2175  ax-ext 2770  ax-rep 5154  ax-sep 5167  ax-nul 5174  ax-pow 5231  ax-pr 5295  ax-un 7441  ax-cnex 10582  ax-resscn 10583  ax-1cn 10584  ax-icn 10585  ax-addcl 10586  ax-addrcl 10587  ax-mulcl 10588  ax-mulrcl 10589  ax-mulcom 10590  ax-addass 10591  ax-mulass 10592  ax-distr 10593  ax-i2m1 10594  ax-1ne0 10595  ax-1rid 10596  ax-rnegex 10597  ax-rrecex 10598  ax-cnre 10599  ax-pre-lttri 10600  ax-pre-lttrn 10601  ax-pre-ltadd 10602  ax-pre-mulgt0 10603

This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3or 1085  df-3an 1086  df-tru 1541  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2598  df-eu 2629  df-clab 2777  df-cleq 2791  df-clel 2870  df-nfc 2938  df-ne 2988  df-nel 3092  df-ral 3111  df-rex 3112  df-reu 3113  df-rmo 3114  df-rab 3115  df-v 3443  df-sbc 3721  df-csb 3829  df-dif 3884  df-un 3886  df-in 3888  df-ss 3898  df-pss 3900  df-nul 4244  df-if 4426  df-pw 4499  df-sn 4526  df-pr 4528  df-tp 4530  df-op 4532  df-uni 4801  df-iun 4883  df-br 5031  df-opab 5093  df-mpt 5111  df-tr 5137  df-id 5425  df-eprel 5430  df-po 5438  df-so 5439  df-fr 5478  df-we 5480  df-xp 5525  df-rel 5526  df-cnv 5527  df-co 5528  df-dm 5529  df-rn 5530  df-res 5531  df-ima 5532  df-pred 6116  df-ord 6162  df-on 6163  df-lim 6164  df-suc 6165  df-iota 6283  df-fun 6326  df-fn 6327  df-f 6328  df-f1 6329  df-fo 6330  df-f1o 6331  df-fv 6332  df-riota 7093  df-ov 7138  df-oprab 7139  df-mpo 7140  df-om 7561  df-wrecs 7930  df-recs 7991  df-rdg 8029  df-er 8272  df-en 8493  df-dom 8494  df-sdom 8495  df-pnf 10666  df-mnf 10667  df-xr 10668  df-ltxr 10669  df-le 10670  df-sub 10861  df-neg 10862  df-nn 11626  df-2 11688  df-3 11689  df-4 11690  df-5 11691  df-6 11692  df-7 11693  df-8 11694  df-ndx 16478  df-slot 16479  df-base 16481  df-sets 16482  df-plusg 16570  df-sca 16573  df-vsca 16574  df-ip 16575  df-0g 16707  df-mgm 17844  df-sgrp 17893  df-mnd 17904  df-grp 18098  df-ghm 18348  df-mgp 19233  df-ring 19292  df-lmod 19629  df-lss 19697  df-lmhm 19787  df-lvec 19868  df-sra 19937  df-rgmod 19938  df-phl 20315  df-ocv 20352

This theorem is referenced by:  ocvin  20363  ocvlsp  20365  csslss  20380  pjdm2  20400  pjff  20401  pjf2  20403  pjfo  20404  ocvpj  20406  pjthlem2  24042  pjth  24043