Theorem lfl1dim 40146

Description: Equivalent expressions for a 1-dim subspace (ray) of functionals. (Contributed by NM, 24-Oct-2014.)

Hypotheses

Ref	Expression
lfl1dim.v	⊢ 𝑉 = (Base‘𝑊)
lfl1dim.d	⊢ 𝐷 = (Scalar‘𝑊)
lfl1dim.f	⊢ 𝐹 = (LFnl‘𝑊)
lfl1dim.l	⊢ 𝐿 = (LKer‘𝑊)
lfl1dim.k	⊢ 𝐾 = (Base‘𝐷)
lfl1dim.t	⊢ · = (.r‘𝐷)
lfl1dim.w	⊢ (𝜑 → 𝑊 ∈ LVec)
lfl1dim.g	⊢ (𝜑 → 𝐺 ∈ 𝐹)

Assertion

Ref	Expression
lfl1dim	⊢ (𝜑 → {𝑔 ∈ 𝐹 ∣ (𝐿‘𝐺) ⊆ (𝐿‘𝑔)} = {𝑔 ∣ ∃𝑘 ∈ 𝐾 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘}))})

Distinct variable groups:   𝐷,𝑘   𝑘,𝐹   𝑘,𝐺   𝑘,𝐾   𝑘,𝐿   𝑘,𝑉   𝑘,𝑊   𝑔,𝑘,𝜑   · ,𝑘

Allowed substitution hints:   𝐷(𝑔)   · (𝑔)   𝐹(𝑔)   𝐺(𝑔)   𝐾(𝑔)   𝐿(𝑔)   𝑉(𝑔)   𝑊(𝑔)

Proof of Theorem lfl1dim

Step	Hyp	Ref	Expression
1		df-rab 3414	. 2 ⊢ {𝑔 ∈ 𝐹 ∣ (𝐿‘𝐺) ⊆ (𝐿‘𝑔)} = {𝑔 ∣ (𝑔 ∈ 𝐹 ∧ (𝐿‘𝐺) ⊆ (𝐿‘𝑔))}
2		lfl1dim.w	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝑊 ∈ LVec)
3		lveclmod 21361	. . . . . . . . . . . 12 ⊢ (𝑊 ∈ LVec → 𝑊 ∈ LMod)
4	2, 3	syl 18	. . . . . . . . . . 11 ⊢ (𝜑 → 𝑊 ∈ LMod)
5		lfl1dim.d	. . . . . . . . . . . 12 ⊢ 𝐷 = (Scalar‘𝑊)
6		lfl1dim.k	. . . . . . . . . . . 12 ⊢ 𝐾 = (Base‘𝐷)
7		eqid 2761	. . . . . . . . . . . 12 ⊢ (0g‘𝐷) = (0g‘𝐷)
8	5, 6, 7	lmod0cl 21143	. . . . . . . . . . 11 ⊢ (𝑊 ∈ LMod → (0g‘𝐷) ∈ 𝐾)
9	4, 8	syl 18	. . . . . . . . . 10 ⊢ (𝜑 → (0g‘𝐷) ∈ 𝐾)
10	9	ad2antrr 739	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝑔 = (𝑉 × {(0g‘𝐷)})) → (0g‘𝐷) ∈ 𝐾)
11		simpr 490	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝑔 = (𝑉 × {(0g‘𝐷)})) → 𝑔 = (𝑉 × {(0g‘𝐷)}))
12		lfl1dim.v	. . . . . . . . . . 11 ⊢ 𝑉 = (Base‘𝑊)
13		lfl1dim.f	. . . . . . . . . . 11 ⊢ 𝐹 = (LFnl‘𝑊)
14		lfl1dim.t	. . . . . . . . . . 11 ⊢ · = (.r‘𝐷)
15	4	ad2antrr 739	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝑔 = (𝑉 × {(0g‘𝐷)})) → 𝑊 ∈ LMod)
16		lfl1dim.g	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝐺 ∈ 𝐹)
17	16	ad2antrr 739	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝑔 = (𝑉 × {(0g‘𝐷)})) → 𝐺 ∈ 𝐹)
18	12, 5, 13, 6, 14, 7, 15, 17	lfl0sc 40107	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝑔 = (𝑉 × {(0g‘𝐷)})) → (𝐺 ∘f · (𝑉 × {(0g‘𝐷)})) = (𝑉 × {(0g‘𝐷)}))
19	11, 18	eqtr4d 2799	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝑔 = (𝑉 × {(0g‘𝐷)})) → 𝑔 = (𝐺 ∘f · (𝑉 × {(0g‘𝐷)})))
20		sneq 4594	. . . . . . . . . . . 12 ⊢ (𝑘 = (0g‘𝐷) → {𝑘} = {(0g‘𝐷)})
21	20	xpeq2d 5681	. . . . . . . . . . 11 ⊢ (𝑘 = (0g‘𝐷) → (𝑉 × {𝑘}) = (𝑉 × {(0g‘𝐷)}))
22	21	oveq2d 7428	. . . . . . . . . 10 ⊢ (𝑘 = (0g‘𝐷) → (𝐺 ∘f · (𝑉 × {𝑘})) = (𝐺 ∘f · (𝑉 × {(0g‘𝐷)})))
23	22	rspceeqv 3599	. . . . . . . . 9 ⊢ (((0g‘𝐷) ∈ 𝐾 ∧ 𝑔 = (𝐺 ∘f · (𝑉 × {(0g‘𝐷)}))) → ∃𝑘 ∈ 𝐾 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘})))
24	10, 19, 23	syl2anc 596	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝑔 = (𝑉 × {(0g‘𝐷)})) → ∃𝑘 ∈ 𝐾 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘})))
25	24	a1d 26	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝑔 = (𝑉 × {(0g‘𝐷)})) → ((𝐿‘𝐺) ⊆ (𝐿‘𝑔) → ∃𝑘 ∈ 𝐾 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘}))))
26	9	ad3antrrr 743	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝐺 = (𝑉 × {(0g‘𝐷)})) ∧ (𝐿‘𝐺) ⊆ (𝐿‘𝑔)) → (0g‘𝐷) ∈ 𝐾)
27		lfl1dim.l	. . . . . . . . . . . . 13 ⊢ 𝐿 = (LKer‘𝑊)
28	4	ad3antrrr 743	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝐺 = (𝑉 × {(0g‘𝐷)})) ∧ (𝐿‘𝐺) ⊆ (𝐿‘𝑔)) → 𝑊 ∈ LMod)
29		simpllr 788	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝐺 = (𝑉 × {(0g‘𝐷)})) ∧ (𝐿‘𝐺) ⊆ (𝐿‘𝑔)) → 𝑔 ∈ 𝐹)
30	12, 13, 27, 28, 29	lkrssv 40121	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝐺 = (𝑉 × {(0g‘𝐷)})) ∧ (𝐿‘𝐺) ⊆ (𝐿‘𝑔)) → (𝐿‘𝑔) ⊆ 𝑉)
31	4	adantr 486	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝐹) → 𝑊 ∈ LMod)
32	16	adantr 486	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝐹) → 𝐺 ∈ 𝐹)
33	5, 7, 12, 13, 27	lkr0f 40119	. . . . . . . . . . . . . . . 16 ⊢ ((𝑊 ∈ LMod ∧ 𝐺 ∈ 𝐹) → ((𝐿‘𝐺) = 𝑉 ↔ 𝐺 = (𝑉 × {(0g‘𝐷)})))
34	31, 32, 33	syl2anc 596	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝐹) → ((𝐿‘𝐺) = 𝑉 ↔ 𝐺 = (𝑉 × {(0g‘𝐷)})))
35	34	biimpar 483	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝐺 = (𝑉 × {(0g‘𝐷)})) → (𝐿‘𝐺) = 𝑉)
36	35	sseq1d 3962	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝐺 = (𝑉 × {(0g‘𝐷)})) → ((𝐿‘𝐺) ⊆ (𝐿‘𝑔) ↔ 𝑉 ⊆ (𝐿‘𝑔)))
37	36	biimpa 482	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝐺 = (𝑉 × {(0g‘𝐷)})) ∧ (𝐿‘𝐺) ⊆ (𝐿‘𝑔)) → 𝑉 ⊆ (𝐿‘𝑔))
38	30, 37	eqssd 3948	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝐺 = (𝑉 × {(0g‘𝐷)})) ∧ (𝐿‘𝐺) ⊆ (𝐿‘𝑔)) → (𝐿‘𝑔) = 𝑉)
39	5, 7, 12, 13, 27	lkr0f 40119	. . . . . . . . . . . 12 ⊢ ((𝑊 ∈ LMod ∧ 𝑔 ∈ 𝐹) → ((𝐿‘𝑔) = 𝑉 ↔ 𝑔 = (𝑉 × {(0g‘𝐷)})))
40	28, 29, 39	syl2anc 596	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝐺 = (𝑉 × {(0g‘𝐷)})) ∧ (𝐿‘𝐺) ⊆ (𝐿‘𝑔)) → ((𝐿‘𝑔) = 𝑉 ↔ 𝑔 = (𝑉 × {(0g‘𝐷)})))
41	38, 40	mpbid 235	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝐺 = (𝑉 × {(0g‘𝐷)})) ∧ (𝐿‘𝐺) ⊆ (𝐿‘𝑔)) → 𝑔 = (𝑉 × {(0g‘𝐷)}))
42	16	ad3antrrr 743	. . . . . . . . . . 11 ⊢ ((((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝐺 = (𝑉 × {(0g‘𝐷)})) ∧ (𝐿‘𝐺) ⊆ (𝐿‘𝑔)) → 𝐺 ∈ 𝐹)
43	12, 5, 13, 6, 14, 7, 28, 42	lfl0sc 40107	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝐺 = (𝑉 × {(0g‘𝐷)})) ∧ (𝐿‘𝐺) ⊆ (𝐿‘𝑔)) → (𝐺 ∘f · (𝑉 × {(0g‘𝐷)})) = (𝑉 × {(0g‘𝐷)}))
44	41, 43	eqtr4d 2799	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝐺 = (𝑉 × {(0g‘𝐷)})) ∧ (𝐿‘𝐺) ⊆ (𝐿‘𝑔)) → 𝑔 = (𝐺 ∘f · (𝑉 × {(0g‘𝐷)})))
45	26, 44, 23	syl2anc 596	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝐺 = (𝑉 × {(0g‘𝐷)})) ∧ (𝐿‘𝐺) ⊆ (𝐿‘𝑔)) → ∃𝑘 ∈ 𝐾 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘})))
46	45	ex 418	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝐺 = (𝑉 × {(0g‘𝐷)})) → ((𝐿‘𝐺) ⊆ (𝐿‘𝑔) → ∃𝑘 ∈ 𝐾 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘}))))
47		eqid 2761	. . . . . . . . 9 ⊢ (LSHyp‘𝑊) = (LSHyp‘𝑊)
48	2	ad2antrr 739	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ (𝑔 ≠ (𝑉 × {(0g‘𝐷)}) ∧ 𝐺 ≠ (𝑉 × {(0g‘𝐷)}))) → 𝑊 ∈ LVec)
49	16	ad2antrr 739	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ (𝑔 ≠ (𝑉 × {(0g‘𝐷)}) ∧ 𝐺 ≠ (𝑉 × {(0g‘𝐷)}))) → 𝐺 ∈ 𝐹)
50		simprr 785	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ (𝑔 ≠ (𝑉 × {(0g‘𝐷)}) ∧ 𝐺 ≠ (𝑉 × {(0g‘𝐷)}))) → 𝐺 ≠ (𝑉 × {(0g‘𝐷)}))
51	12, 5, 7, 47, 13, 27	lkrshp 40130	. . . . . . . . . 10 ⊢ ((𝑊 ∈ LVec ∧ 𝐺 ∈ 𝐹 ∧ 𝐺 ≠ (𝑉 × {(0g‘𝐷)})) → (𝐿‘𝐺) ∈ (LSHyp‘𝑊))
52	48, 49, 50, 51	syl3anc 1398	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ (𝑔 ≠ (𝑉 × {(0g‘𝐷)}) ∧ 𝐺 ≠ (𝑉 × {(0g‘𝐷)}))) → (𝐿‘𝐺) ∈ (LSHyp‘𝑊))
53		simplr 781	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ (𝑔 ≠ (𝑉 × {(0g‘𝐷)}) ∧ 𝐺 ≠ (𝑉 × {(0g‘𝐷)}))) → 𝑔 ∈ 𝐹)
54		simprl 783	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ (𝑔 ≠ (𝑉 × {(0g‘𝐷)}) ∧ 𝐺 ≠ (𝑉 × {(0g‘𝐷)}))) → 𝑔 ≠ (𝑉 × {(0g‘𝐷)}))
55	12, 5, 7, 47, 13, 27	lkrshp 40130	. . . . . . . . . 10 ⊢ ((𝑊 ∈ LVec ∧ 𝑔 ∈ 𝐹 ∧ 𝑔 ≠ (𝑉 × {(0g‘𝐷)})) → (𝐿‘𝑔) ∈ (LSHyp‘𝑊))
56	48, 53, 54, 55	syl3anc 1398	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ (𝑔 ≠ (𝑉 × {(0g‘𝐷)}) ∧ 𝐺 ≠ (𝑉 × {(0g‘𝐷)}))) → (𝐿‘𝑔) ∈ (LSHyp‘𝑊))
57	47, 48, 52, 56	lshpcmp 40013	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ (𝑔 ≠ (𝑉 × {(0g‘𝐷)}) ∧ 𝐺 ≠ (𝑉 × {(0g‘𝐷)}))) → ((𝐿‘𝐺) ⊆ (𝐿‘𝑔) ↔ (𝐿‘𝐺) = (𝐿‘𝑔)))
58	2	ad3antrrr 743	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ (𝑔 ≠ (𝑉 × {(0g‘𝐷)}) ∧ 𝐺 ≠ (𝑉 × {(0g‘𝐷)}))) ∧ (𝐿‘𝐺) = (𝐿‘𝑔)) → 𝑊 ∈ LVec)
59	16	ad3antrrr 743	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ (𝑔 ≠ (𝑉 × {(0g‘𝐷)}) ∧ 𝐺 ≠ (𝑉 × {(0g‘𝐷)}))) ∧ (𝐿‘𝐺) = (𝐿‘𝑔)) → 𝐺 ∈ 𝐹)
60		simpllr 788	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ (𝑔 ≠ (𝑉 × {(0g‘𝐷)}) ∧ 𝐺 ≠ (𝑉 × {(0g‘𝐷)}))) ∧ (𝐿‘𝐺) = (𝐿‘𝑔)) → 𝑔 ∈ 𝐹)
61		simpr 490	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ (𝑔 ≠ (𝑉 × {(0g‘𝐷)}) ∧ 𝐺 ≠ (𝑉 × {(0g‘𝐷)}))) ∧ (𝐿‘𝐺) = (𝐿‘𝑔)) → (𝐿‘𝐺) = (𝐿‘𝑔))
62	5, 6, 14, 12, 13, 27	eqlkr2 40125	. . . . . . . . . 10 ⊢ ((𝑊 ∈ LVec ∧ (𝐺 ∈ 𝐹 ∧ 𝑔 ∈ 𝐹) ∧ (𝐿‘𝐺) = (𝐿‘𝑔)) → ∃𝑘 ∈ 𝐾 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘})))
63	58, 59, 60, 61, 62	syl121anc 1402	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ (𝑔 ≠ (𝑉 × {(0g‘𝐷)}) ∧ 𝐺 ≠ (𝑉 × {(0g‘𝐷)}))) ∧ (𝐿‘𝐺) = (𝐿‘𝑔)) → ∃𝑘 ∈ 𝐾 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘})))
64	63	ex 418	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ (𝑔 ≠ (𝑉 × {(0g‘𝐷)}) ∧ 𝐺 ≠ (𝑉 × {(0g‘𝐷)}))) → ((𝐿‘𝐺) = (𝐿‘𝑔) → ∃𝑘 ∈ 𝐾 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘}))))
65	57, 64	sylbid 243	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ (𝑔 ≠ (𝑉 × {(0g‘𝐷)}) ∧ 𝐺 ≠ (𝑉 × {(0g‘𝐷)}))) → ((𝐿‘𝐺) ⊆ (𝐿‘𝑔) → ∃𝑘 ∈ 𝐾 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘}))))
66	25, 46, 65	pm2.61da2ne 3044	. . . . . 6 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝐹) → ((𝐿‘𝐺) ⊆ (𝐿‘𝑔) → ∃𝑘 ∈ 𝐾 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘}))))
67	2	ad2antrr 739	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝑘 ∈ 𝐾) → 𝑊 ∈ LVec)
68	16	ad2antrr 739	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝑘 ∈ 𝐾) → 𝐺 ∈ 𝐹)
69		simpr 490	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝑘 ∈ 𝐾) → 𝑘 ∈ 𝐾)
70	12, 5, 6, 14, 13, 27, 67, 68, 69	lkrscss 40123	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑔 ∈ 𝐹) ∧ 𝑘 ∈ 𝐾) → (𝐿‘𝐺) ⊆ (𝐿‘(𝐺 ∘f · (𝑉 × {𝑘}))))
71	70	ex 418	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝐹) → (𝑘 ∈ 𝐾 → (𝐿‘𝐺) ⊆ (𝐿‘(𝐺 ∘f · (𝑉 × {𝑘})))))
72		fveq2 6877	. . . . . . . . . 10 ⊢ (𝑔 = (𝐺 ∘f · (𝑉 × {𝑘})) → (𝐿‘𝑔) = (𝐿‘(𝐺 ∘f · (𝑉 × {𝑘}))))
73	72	sseq2d 3963	. . . . . . . . 9 ⊢ (𝑔 = (𝐺 ∘f · (𝑉 × {𝑘})) → ((𝐿‘𝐺) ⊆ (𝐿‘𝑔) ↔ (𝐿‘𝐺) ⊆ (𝐿‘(𝐺 ∘f · (𝑉 × {𝑘})))))
74	73	biimprcd 253	. . . . . . . 8 ⊢ ((𝐿‘𝐺) ⊆ (𝐿‘(𝐺 ∘f · (𝑉 × {𝑘}))) → (𝑔 = (𝐺 ∘f · (𝑉 × {𝑘})) → (𝐿‘𝐺) ⊆ (𝐿‘𝑔)))
75	71, 74	syl6 36	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝐹) → (𝑘 ∈ 𝐾 → (𝑔 = (𝐺 ∘f · (𝑉 × {𝑘})) → (𝐿‘𝐺) ⊆ (𝐿‘𝑔))))
76	75	rexlimdv 3162	. . . . . 6 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝐹) → (∃𝑘 ∈ 𝐾 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘})) → (𝐿‘𝐺) ⊆ (𝐿‘𝑔)))
77	66, 76	impbid 215	. . . . 5 ⊢ ((𝜑 ∧ 𝑔 ∈ 𝐹) → ((𝐿‘𝐺) ⊆ (𝐿‘𝑔) ↔ ∃𝑘 ∈ 𝐾 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘}))))
78	77	pm5.32da 590	. . . 4 ⊢ (𝜑 → ((𝑔 ∈ 𝐹 ∧ (𝐿‘𝐺) ⊆ (𝐿‘𝑔)) ↔ (𝑔 ∈ 𝐹 ∧ ∃𝑘 ∈ 𝐾 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘})))))
79	4	adantr 486	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐾) → 𝑊 ∈ LMod)
80	16	adantr 486	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐾) → 𝐺 ∈ 𝐹)
81		simpr 490	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐾) → 𝑘 ∈ 𝐾)
82	12, 5, 6, 14, 13, 79, 80, 81	lflvscl 40102	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐾) → (𝐺 ∘f · (𝑉 × {𝑘})) ∈ 𝐹)
83		eleq1a 2856	. . . . . . . 8 ⊢ ((𝐺 ∘f · (𝑉 × {𝑘})) ∈ 𝐹 → (𝑔 = (𝐺 ∘f · (𝑉 × {𝑘})) → 𝑔 ∈ 𝐹))
84	82, 83	syl 18	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐾) → (𝑔 = (𝐺 ∘f · (𝑉 × {𝑘})) → 𝑔 ∈ 𝐹))
85	84	pm4.71rd 572	. . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐾) → (𝑔 = (𝐺 ∘f · (𝑉 × {𝑘})) ↔ (𝑔 ∈ 𝐹 ∧ 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘})))))
86	85	rexbidva 3185	. . . . 5 ⊢ (𝜑 → (∃𝑘 ∈ 𝐾 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘})) ↔ ∃𝑘 ∈ 𝐾 (𝑔 ∈ 𝐹 ∧ 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘})))))
87		r19.42v 3195	. . . . 5 ⊢ (∃𝑘 ∈ 𝐾 (𝑔 ∈ 𝐹 ∧ 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘}))) ↔ (𝑔 ∈ 𝐹 ∧ ∃𝑘 ∈ 𝐾 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘}))))
88	86, 87	bitr2di 291	. . . 4 ⊢ (𝜑 → ((𝑔 ∈ 𝐹 ∧ ∃𝑘 ∈ 𝐾 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘}))) ↔ ∃𝑘 ∈ 𝐾 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘}))))
89	78, 88	bitrd 282	. . 3 ⊢ (𝜑 → ((𝑔 ∈ 𝐹 ∧ (𝐿‘𝐺) ⊆ (𝐿‘𝑔)) ↔ ∃𝑘 ∈ 𝐾 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘}))))
90	89	abbidv 2827	. 2 ⊢ (𝜑 → {𝑔 ∣ (𝑔 ∈ 𝐹 ∧ (𝐿‘𝐺) ⊆ (𝐿‘𝑔))} = {𝑔 ∣ ∃𝑘 ∈ 𝐾 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘}))})
91	1, 90	eqtrid 2808	1 ⊢ (𝜑 → {𝑔 ∈ 𝐹 ∣ (𝐿‘𝐺) ⊆ (𝐿‘𝑔)} = {𝑔 ∣ ∃𝑘 ∈ 𝐾 𝑔 = (𝐺 ∘f · (𝑉 × {𝑘}))})

This proof depends on syntax axioms:   → wi 4   ↔ wb 209   ∧ wa 401   = wceq 1570   ∈ wcel 2145  {cab 2739   ≠ wne 2956  ∃wrex 3087  {crab 3413   ⊆ wss 3899  {csn 4584   × cxp 5649  ‘cfv 6531  (class class class)co 7412   ∘_f cof 7680  Basecbs 17367  ._rcmulr 17409  Scalarcsca 17411  0_gc0g 17590  LModclmod 21115  LVecclvec 21357  LSHypclsh 40000  LFnlclfn 40082  LKerclk 40110

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2213  ax-ext 2733  ax-rep 5232  ax-sep 5249  ax-nul 5260  ax-pow 5327  ax-pr 5391  ax-un 7740  ax-cnex 11237  ax-resscn 11238  ax-1cn 11239  ax-icn 11240  ax-addcl 11241  ax-addrcl 11242  ax-mulcl 11243  ax-mulrcl 11244  ax-mulcom 11245  ax-addass 11246  ax-mulass 11247  ax-distr 11248  ax-i2m1 11249  ax-1ne0 11250  ax-1rid 11251  ax-rnegex 11252  ax-rrecex 11253  ax-cnre 11254  ax-pre-lttri 11255  ax-pre-lttrn 11256  ax-pre-ltadd 11257  ax-pre-mulgt0 11258

This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2100  df-mo 2565  df-eu 2595  df-clab 2740  df-cleq 2753  df-clel 2836  df-nfc 2910  df-ne 2957  df-nel 3063  df-ral 3078  df-rex 3088  df-rmo 3366  df-reu 3367  df-rab 3414  df-v 3453  df-sbc 3740  df-csb 3848  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-pss 3919  df-nul 4280  df-if 4483  df-pw 4559  df-sn 4585  df-pr 4587  df-op 4591  df-uni 4868  df-int 4908  df-iun 4953  df-br 5104  df-opab 5168  df-mpt 5187  df-tr 5213  df-id 5546  df-eprel 5551  df-po 5559  df-so 5560  df-fr 5604  df-we 5606  df-xp 5657  df-rel 5658  df-cnv 5659  df-co 5660  df-dm 5661  df-rn 5662  df-res 5663  df-ima 5664  df-pred 6297  df-ord 6358  df-on 6359  df-lim 6360  df-suc 6361  df-iota 6487  df-fun 6533  df-fn 6534  df-f 6535  df-f1 6536  df-fo 6537  df-f1o 6538  df-fv 6539  df-riota 7369  df-ov 7415  df-oprab 7416  df-mpo 7417  df-of 7682  df-om 7867  df-1st 7990  df-2nd 7991  df-tpos 8227  df-frecs 8283  df-wrecs 8314  df-recs 8363  df-rdg 8402  df-er 8701  df-map 8833  df-en 8958  df-dom 8959  df-sdom 8960  df-pnf 11326  df-mnf 11327  df-xr 11328  df-ltxr 11329  df-le 11330  df-sub 11524  df-neg 11525  df-nn 12317  df-2 12386  df-3 12387  df-sets 17322  df-slot 17340  df-ndx 17352  df-base 17368  df-ress 17389  df-plusg 17421  df-mulr 17422  df-0g 17592  df-mgm 18796  df-sgrp 18888  df-mnd 18904  df-submnd 18959  df-grp 19127  df-minusg 19128  df-sbg 19129  df-subg 19313  df-cntz 19511  df-lsm 19830  df-cmn 19976  df-abl 19977  df-mgp 20341  df-rng 20355  df-ur 20388  df-ring 20441  df-oppr 20547  df-dvdsr 20567  df-unit 20568  df-invr 20598  df-nzr 20743  df-rlreg 20926  df-domn 20927  df-drng 20962  df-lmod 21117  df-lss 21187  df-lsp 21227  df-lvec 21358  df-lshyp 40002  df-lfl 40083  df-lkr 40111

This theorem is used by:  ldual1dim  40191