Theorem isphl 19792

Description: The predicate "is a generalized pre-Hilbert (inner product) space". (Contributed by NM, 22-Sep-2011.) (Revised by Mario Carneiro, 7-Oct-2015.)

Hypotheses

Ref	Expression
isphl.v	⊢ 𝑉 = (Base‘𝑊)
isphl.f	⊢ 𝐹 = (Scalar‘𝑊)
isphl.h	⊢ , = (·𝑖‘𝑊)
isphl.o	⊢ 0 = (0g‘𝑊)
isphl.i	⊢ ∗ = (*𝑟‘𝐹)
isphl.z	⊢ 𝑍 = (0g‘𝐹)

Assertion

Ref	Expression
isphl	⊢ (𝑊 ∈ PreHil ↔ (𝑊 ∈ LVec ∧ 𝐹 ∈ *-Ring ∧ ∀𝑥 ∈ 𝑉 ((𝑦 ∈ 𝑉 ↦ (𝑦 , 𝑥)) ∈ (𝑊 LMHom (ringLMod‘𝐹)) ∧ ((𝑥 , 𝑥) = 𝑍 → 𝑥 = 0 ) ∧ ∀𝑦 ∈ 𝑉 ( ∗ ‘(𝑥 , 𝑦)) = (𝑦 , 𝑥))))

Distinct variable groups:   𝑥,𝑦,𝑉   𝑥,𝑊,𝑦

Allowed substitution hints:   𝐹(𝑥,𝑦)   , (𝑥,𝑦)   ∗ (𝑥,𝑦)   0 (𝑥,𝑦)   𝑍(𝑥,𝑦)

Proof of Theorem isphl

Dummy variables 𝑓 𝑔 ℎ 𝑣 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		fvex 6113	. . . . 5 ⊢ (Base‘𝑔) ∈ V
2	1	a1i 11	. . . 4 ⊢ (𝑔 = 𝑊 → (Base‘𝑔) ∈ V)
3		fvex 6113	. . . . . 6 ⊢ (·𝑖‘𝑔) ∈ V
4	3	a1i 11	. . . . 5 ⊢ ((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) → (·𝑖‘𝑔) ∈ V)
5		fvex 6113	. . . . . . 7 ⊢ (Scalar‘𝑔) ∈ V
6	5	a1i 11	. . . . . 6 ⊢ (((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) → (Scalar‘𝑔) ∈ V)
7		id 22	. . . . . . . . 9 ⊢ (𝑓 = (Scalar‘𝑔) → 𝑓 = (Scalar‘𝑔))
8		simpll 786	. . . . . . . . . . 11 ⊢ (((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) → 𝑔 = 𝑊)
9	8	fveq2d 6107	. . . . . . . . . 10 ⊢ (((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) → (Scalar‘𝑔) = (Scalar‘𝑊))
10		isphl.f	. . . . . . . . . 10 ⊢ 𝐹 = (Scalar‘𝑊)
11	9, 10	syl6eqr 2662	. . . . . . . . 9 ⊢ (((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) → (Scalar‘𝑔) = 𝐹)
12	7, 11	sylan9eqr 2666	. . . . . . . 8 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → 𝑓 = 𝐹)
13	12	eleq1d 2672	. . . . . . 7 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (𝑓 ∈ *-Ring ↔ 𝐹 ∈ *-Ring))
14		simpllr 795	. . . . . . . . 9 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → 𝑣 = (Base‘𝑔))
15		simplll 794	. . . . . . . . . . 11 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → 𝑔 = 𝑊)
16	15	fveq2d 6107	. . . . . . . . . 10 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (Base‘𝑔) = (Base‘𝑊))
17		isphl.v	. . . . . . . . . 10 ⊢ 𝑉 = (Base‘𝑊)
18	16, 17	syl6eqr 2662	. . . . . . . . 9 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (Base‘𝑔) = 𝑉)
19	14, 18	eqtrd 2644	. . . . . . . 8 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → 𝑣 = 𝑉)
20		simplr 788	. . . . . . . . . . . . 13 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → ℎ = (·𝑖‘𝑔))
21	15	fveq2d 6107	. . . . . . . . . . . . . 14 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (·𝑖‘𝑔) = (·𝑖‘𝑊))
22		isphl.h	. . . . . . . . . . . . . 14 ⊢ , = (·𝑖‘𝑊)
23	21, 22	syl6eqr 2662	. . . . . . . . . . . . 13 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (·𝑖‘𝑔) = , )
24	20, 23	eqtrd 2644	. . . . . . . . . . . 12 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → ℎ = , )
25	24	oveqd 6566	. . . . . . . . . . 11 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (𝑦ℎ𝑥) = (𝑦 , 𝑥))
26	19, 25	mpteq12dv 4663	. . . . . . . . . 10 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (𝑦 ∈ 𝑣 ↦ (𝑦ℎ𝑥)) = (𝑦 ∈ 𝑉 ↦ (𝑦 , 𝑥)))
27	12	fveq2d 6107	. . . . . . . . . . 11 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (ringLMod‘𝑓) = (ringLMod‘𝐹))
28	15, 27	oveq12d 6567	. . . . . . . . . 10 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (𝑔 LMHom (ringLMod‘𝑓)) = (𝑊 LMHom (ringLMod‘𝐹)))
29	26, 28	eleq12d 2682	. . . . . . . . 9 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → ((𝑦 ∈ 𝑣 ↦ (𝑦ℎ𝑥)) ∈ (𝑔 LMHom (ringLMod‘𝑓)) ↔ (𝑦 ∈ 𝑉 ↦ (𝑦 , 𝑥)) ∈ (𝑊 LMHom (ringLMod‘𝐹))))
30	24	oveqd 6566	. . . . . . . . . . 11 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (𝑥ℎ𝑥) = (𝑥 , 𝑥))
31	12	fveq2d 6107	. . . . . . . . . . . 12 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (0g‘𝑓) = (0g‘𝐹))
32		isphl.z	. . . . . . . . . . . 12 ⊢ 𝑍 = (0g‘𝐹)
33	31, 32	syl6eqr 2662	. . . . . . . . . . 11 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (0g‘𝑓) = 𝑍)
34	30, 33	eqeq12d 2625	. . . . . . . . . 10 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → ((𝑥ℎ𝑥) = (0g‘𝑓) ↔ (𝑥 , 𝑥) = 𝑍))
35	15	fveq2d 6107	. . . . . . . . . . . 12 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (0g‘𝑔) = (0g‘𝑊))
36		isphl.o	. . . . . . . . . . . 12 ⊢ 0 = (0g‘𝑊)
37	35, 36	syl6eqr 2662	. . . . . . . . . . 11 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (0g‘𝑔) = 0 )
38	37	eqeq2d 2620	. . . . . . . . . 10 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (𝑥 = (0g‘𝑔) ↔ 𝑥 = 0 ))
39	34, 38	imbi12d 333	. . . . . . . . 9 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (((𝑥ℎ𝑥) = (0g‘𝑓) → 𝑥 = (0g‘𝑔)) ↔ ((𝑥 , 𝑥) = 𝑍 → 𝑥 = 0 )))
40	12	fveq2d 6107	. . . . . . . . . . . . 13 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (*𝑟‘𝑓) = (*𝑟‘𝐹))
41		isphl.i	. . . . . . . . . . . . 13 ⊢ ∗ = (*𝑟‘𝐹)
42	40, 41	syl6eqr 2662	. . . . . . . . . . . 12 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (*𝑟‘𝑓) = ∗ )
43	24	oveqd 6566	. . . . . . . . . . . 12 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (𝑥ℎ𝑦) = (𝑥 , 𝑦))
44	42, 43	fveq12d 6109	. . . . . . . . . . 11 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → ((*𝑟‘𝑓)‘(𝑥ℎ𝑦)) = ( ∗ ‘(𝑥 , 𝑦)))
45	44, 25	eqeq12d 2625	. . . . . . . . . 10 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (((*𝑟‘𝑓)‘(𝑥ℎ𝑦)) = (𝑦ℎ𝑥) ↔ ( ∗ ‘(𝑥 , 𝑦)) = (𝑦 , 𝑥)))
46	19, 45	raleqbidv 3129	. . . . . . . . 9 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (∀𝑦 ∈ 𝑣 ((*𝑟‘𝑓)‘(𝑥ℎ𝑦)) = (𝑦ℎ𝑥) ↔ ∀𝑦 ∈ 𝑉 ( ∗ ‘(𝑥 , 𝑦)) = (𝑦 , 𝑥)))
47	29, 39, 46	3anbi123d 1391	. . . . . . . 8 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (((𝑦 ∈ 𝑣 ↦ (𝑦ℎ𝑥)) ∈ (𝑔 LMHom (ringLMod‘𝑓)) ∧ ((𝑥ℎ𝑥) = (0g‘𝑓) → 𝑥 = (0g‘𝑔)) ∧ ∀𝑦 ∈ 𝑣 ((*𝑟‘𝑓)‘(𝑥ℎ𝑦)) = (𝑦ℎ𝑥)) ↔ ((𝑦 ∈ 𝑉 ↦ (𝑦 , 𝑥)) ∈ (𝑊 LMHom (ringLMod‘𝐹)) ∧ ((𝑥 , 𝑥) = 𝑍 → 𝑥 = 0 ) ∧ ∀𝑦 ∈ 𝑉 ( ∗ ‘(𝑥 , 𝑦)) = (𝑦 , 𝑥))))
48	19, 47	raleqbidv 3129	. . . . . . 7 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → (∀𝑥 ∈ 𝑣 ((𝑦 ∈ 𝑣 ↦ (𝑦ℎ𝑥)) ∈ (𝑔 LMHom (ringLMod‘𝑓)) ∧ ((𝑥ℎ𝑥) = (0g‘𝑓) → 𝑥 = (0g‘𝑔)) ∧ ∀𝑦 ∈ 𝑣 ((*𝑟‘𝑓)‘(𝑥ℎ𝑦)) = (𝑦ℎ𝑥)) ↔ ∀𝑥 ∈ 𝑉 ((𝑦 ∈ 𝑉 ↦ (𝑦 , 𝑥)) ∈ (𝑊 LMHom (ringLMod‘𝐹)) ∧ ((𝑥 , 𝑥) = 𝑍 → 𝑥 = 0 ) ∧ ∀𝑦 ∈ 𝑉 ( ∗ ‘(𝑥 , 𝑦)) = (𝑦 , 𝑥))))
49	13, 48	anbi12d 743	. . . . . 6 ⊢ ((((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) ∧ 𝑓 = (Scalar‘𝑔)) → ((𝑓 ∈ *-Ring ∧ ∀𝑥 ∈ 𝑣 ((𝑦 ∈ 𝑣 ↦ (𝑦ℎ𝑥)) ∈ (𝑔 LMHom (ringLMod‘𝑓)) ∧ ((𝑥ℎ𝑥) = (0g‘𝑓) → 𝑥 = (0g‘𝑔)) ∧ ∀𝑦 ∈ 𝑣 ((*𝑟‘𝑓)‘(𝑥ℎ𝑦)) = (𝑦ℎ𝑥))) ↔ (𝐹 ∈ *-Ring ∧ ∀𝑥 ∈ 𝑉 ((𝑦 ∈ 𝑉 ↦ (𝑦 , 𝑥)) ∈ (𝑊 LMHom (ringLMod‘𝐹)) ∧ ((𝑥 , 𝑥) = 𝑍 → 𝑥 = 0 ) ∧ ∀𝑦 ∈ 𝑉 ( ∗ ‘(𝑥 , 𝑦)) = (𝑦 , 𝑥)))))
50	6, 49	sbcied 3439	. . . . 5 ⊢ (((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) ∧ ℎ = (·𝑖‘𝑔)) → ([(Scalar‘𝑔) / 𝑓](𝑓 ∈ *-Ring ∧ ∀𝑥 ∈ 𝑣 ((𝑦 ∈ 𝑣 ↦ (𝑦ℎ𝑥)) ∈ (𝑔 LMHom (ringLMod‘𝑓)) ∧ ((𝑥ℎ𝑥) = (0g‘𝑓) → 𝑥 = (0g‘𝑔)) ∧ ∀𝑦 ∈ 𝑣 ((*𝑟‘𝑓)‘(𝑥ℎ𝑦)) = (𝑦ℎ𝑥))) ↔ (𝐹 ∈ *-Ring ∧ ∀𝑥 ∈ 𝑉 ((𝑦 ∈ 𝑉 ↦ (𝑦 , 𝑥)) ∈ (𝑊 LMHom (ringLMod‘𝐹)) ∧ ((𝑥 , 𝑥) = 𝑍 → 𝑥 = 0 ) ∧ ∀𝑦 ∈ 𝑉 ( ∗ ‘(𝑥 , 𝑦)) = (𝑦 , 𝑥)))))
51	4, 50	sbcied 3439	. . . 4 ⊢ ((𝑔 = 𝑊 ∧ 𝑣 = (Base‘𝑔)) → ([(·𝑖‘𝑔) / ℎ][(Scalar‘𝑔) / 𝑓](𝑓 ∈ *-Ring ∧ ∀𝑥 ∈ 𝑣 ((𝑦 ∈ 𝑣 ↦ (𝑦ℎ𝑥)) ∈ (𝑔 LMHom (ringLMod‘𝑓)) ∧ ((𝑥ℎ𝑥) = (0g‘𝑓) → 𝑥 = (0g‘𝑔)) ∧ ∀𝑦 ∈ 𝑣 ((*𝑟‘𝑓)‘(𝑥ℎ𝑦)) = (𝑦ℎ𝑥))) ↔ (𝐹 ∈ *-Ring ∧ ∀𝑥 ∈ 𝑉 ((𝑦 ∈ 𝑉 ↦ (𝑦 , 𝑥)) ∈ (𝑊 LMHom (ringLMod‘𝐹)) ∧ ((𝑥 , 𝑥) = 𝑍 → 𝑥 = 0 ) ∧ ∀𝑦 ∈ 𝑉 ( ∗ ‘(𝑥 , 𝑦)) = (𝑦 , 𝑥)))))
52	2, 51	sbcied 3439	. . 3 ⊢ (𝑔 = 𝑊 → ([(Base‘𝑔) / 𝑣][(·𝑖‘𝑔) / ℎ][(Scalar‘𝑔) / 𝑓](𝑓 ∈ *-Ring ∧ ∀𝑥 ∈ 𝑣 ((𝑦 ∈ 𝑣 ↦ (𝑦ℎ𝑥)) ∈ (𝑔 LMHom (ringLMod‘𝑓)) ∧ ((𝑥ℎ𝑥) = (0g‘𝑓) → 𝑥 = (0g‘𝑔)) ∧ ∀𝑦 ∈ 𝑣 ((*𝑟‘𝑓)‘(𝑥ℎ𝑦)) = (𝑦ℎ𝑥))) ↔ (𝐹 ∈ *-Ring ∧ ∀𝑥 ∈ 𝑉 ((𝑦 ∈ 𝑉 ↦ (𝑦 , 𝑥)) ∈ (𝑊 LMHom (ringLMod‘𝐹)) ∧ ((𝑥 , 𝑥) = 𝑍 → 𝑥 = 0 ) ∧ ∀𝑦 ∈ 𝑉 ( ∗ ‘(𝑥 , 𝑦)) = (𝑦 , 𝑥)))))
53		df-phl 19790	. . 3 ⊢ PreHil = {𝑔 ∈ LVec ∣ [(Base‘𝑔) / 𝑣][(·𝑖‘𝑔) / ℎ][(Scalar‘𝑔) / 𝑓](𝑓 ∈ *-Ring ∧ ∀𝑥 ∈ 𝑣 ((𝑦 ∈ 𝑣 ↦ (𝑦ℎ𝑥)) ∈ (𝑔 LMHom (ringLMod‘𝑓)) ∧ ((𝑥ℎ𝑥) = (0g‘𝑓) → 𝑥 = (0g‘𝑔)) ∧ ∀𝑦 ∈ 𝑣 ((*𝑟‘𝑓)‘(𝑥ℎ𝑦)) = (𝑦ℎ𝑥)))}
54	52, 53	elrab2 3333	. 2 ⊢ (𝑊 ∈ PreHil ↔ (𝑊 ∈ LVec ∧ (𝐹 ∈ *-Ring ∧ ∀𝑥 ∈ 𝑉 ((𝑦 ∈ 𝑉 ↦ (𝑦 , 𝑥)) ∈ (𝑊 LMHom (ringLMod‘𝐹)) ∧ ((𝑥 , 𝑥) = 𝑍 → 𝑥 = 0 ) ∧ ∀𝑦 ∈ 𝑉 ( ∗ ‘(𝑥 , 𝑦)) = (𝑦 , 𝑥)))))
55		3anass 1035	. 2 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ *-Ring ∧ ∀𝑥 ∈ 𝑉 ((𝑦 ∈ 𝑉 ↦ (𝑦 , 𝑥)) ∈ (𝑊 LMHom (ringLMod‘𝐹)) ∧ ((𝑥 , 𝑥) = 𝑍 → 𝑥 = 0 ) ∧ ∀𝑦 ∈ 𝑉 ( ∗ ‘(𝑥 , 𝑦)) = (𝑦 , 𝑥))) ↔ (𝑊 ∈ LVec ∧ (𝐹 ∈ *-Ring ∧ ∀𝑥 ∈ 𝑉 ((𝑦 ∈ 𝑉 ↦ (𝑦 , 𝑥)) ∈ (𝑊 LMHom (ringLMod‘𝐹)) ∧ ((𝑥 , 𝑥) = 𝑍 → 𝑥 = 0 ) ∧ ∀𝑦 ∈ 𝑉 ( ∗ ‘(𝑥 , 𝑦)) = (𝑦 , 𝑥)))))
56	54, 55	bitr4i 266	1 ⊢ (𝑊 ∈ PreHil ↔ (𝑊 ∈ LVec ∧ 𝐹 ∈ *-Ring ∧ ∀𝑥 ∈ 𝑉 ((𝑦 ∈ 𝑉 ↦ (𝑦 , 𝑥)) ∈ (𝑊 LMHom (ringLMod‘𝐹)) ∧ ((𝑥 , 𝑥) = 𝑍 → 𝑥 = 0 ) ∧ ∀𝑦 ∈ 𝑉 ( ∗ ‘(𝑥 , 𝑦)) = (𝑦 , 𝑥))))

Syntax hints:   → wi 4   ↔ wb 195   ∧ wa 383   ∧ w3a 1031   = wceq 1475   ∈ wcel 1977  ∀wral 2896  Vcvv 3173  [wsbc 3402   ↦ cmpt 4643  ‘cfv 5804  (class class class)co 6549  Basecbs 15695  *_𝑟cstv 15770  Scalarcsca 15771  ·_𝑖cip 15773  0_gc0g 15923  *-Ringcsr 18667   LMHom clmhm 18840  LVecclvec 18923  ringLModcrglmod 18990  PreHilcphl 19788

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1713  ax-4 1728  ax-5 1827  ax-6 1875  ax-7 1922  ax-10 2006  ax-11 2021  ax-12 2034  ax-13 2234  ax-ext 2590  ax-nul 4717

This theorem depends on definitions:  df-bi 196  df-or 384  df-an 385  df-3an 1033  df-tru 1478  df-ex 1696  df-nf 1701  df-sb 1868  df-eu 2462  df-clab 2597  df-cleq 2603  df-clel 2606  df-nfc 2740  df-ral 2901  df-rex 2902  df-rab 2905  df-v 3175  df-sbc 3403  df-dif 3543  df-un 3545  df-in 3547  df-ss 3554  df-nul 3875  df-if 4037  df-sn 4126  df-pr 4128  df-op 4132  df-uni 4373  df-br 4584  df-opab 4644  df-mpt 4645  df-iota 5768  df-fv 5812  df-ov 6552  df-phl 19790

This theorem is referenced by:  phllvec  19793  phlsrng  19795  phllmhm  19796  ipcj  19798  ipeq0  19802  isphld  19818  phlpropd  19819