lindsadd - Mathbox for Brendan Leahy

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Theorem lindsadd 37595

Description: In a vector space, the union of an independent set and a vector not in its span is an independent set. (Contributed by Brendan Leahy, 4-Mar-2023.)

**Assertion**
Ref	Expression
lindsadd	⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → (𝐹 ∪ {𝑋}) ∈ (LIndS‘𝑊))

Proof of Theorem lindsadd Dummy variables 𝑥 𝑘 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		eqid 2729	. . . . 5 ⊢ (Base‘𝑊) = (Base‘𝑊)
2	1	linds1 21735	. . . 4 ⊢ (𝐹 ∈ (LIndS‘𝑊) → 𝐹 ⊆ (Base‘𝑊))
3		eldifi 4084	. . . . 5 ⊢ (𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹)) → 𝑋 ∈ (Base‘𝑊))
4	3	snssd 4763	. . . 4 ⊢ (𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹)) → {𝑋} ⊆ (Base‘𝑊))
5		unss 4143	. . . . 5 ⊢ ((𝐹 ⊆ (Base‘𝑊) ∧ {𝑋} ⊆ (Base‘𝑊)) ↔ (𝐹 ∪ {𝑋}) ⊆ (Base‘𝑊))
6	5	biimpi 216	. . . 4 ⊢ ((𝐹 ⊆ (Base‘𝑊) ∧ {𝑋} ⊆ (Base‘𝑊)) → (𝐹 ∪ {𝑋}) ⊆ (Base‘𝑊))
7	2, 4, 6	syl2an 596	. . 3 ⊢ ((𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → (𝐹 ∪ {𝑋}) ⊆ (Base‘𝑊))
8	7	3adant1 1130	. 2 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → (𝐹 ∪ {𝑋}) ⊆ (Base‘𝑊))
9		eldifn 4085	. . . . . . 7 ⊢ (𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹)) → ¬ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹))
10	9	3ad2ant3 1135	. . . . . 6 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → ¬ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹))
11	10	adantr 480	. . . . 5 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) → ¬ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹))
12		simpll1 1213	. . . . . . . 8 ⊢ ((((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) ∧ 𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋}))) → 𝑊 ∈ LVec)
13	2	ssdifssd 4100	. . . . . . . . . 10 ⊢ (𝐹 ∈ (LIndS‘𝑊) → (𝐹 ∖ {𝑥}) ⊆ (Base‘𝑊))
14	13	3ad2ant2 1134	. . . . . . . . 9 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → (𝐹 ∖ {𝑥}) ⊆ (Base‘𝑊))
15	14	ad2antrr 726	. . . . . . . 8 ⊢ ((((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) ∧ 𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋}))) → (𝐹 ∖ {𝑥}) ⊆ (Base‘𝑊))
16	3	3ad2ant3 1135	. . . . . . . . 9 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → 𝑋 ∈ (Base‘𝑊))
17	16	ad2antrr 726	. . . . . . . 8 ⊢ ((((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) ∧ 𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋}))) → 𝑋 ∈ (Base‘𝑊))
18		simpr 484	. . . . . . . . 9 ⊢ ((((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) ∧ 𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋}))) → 𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋})))
19		lveclmod 21028	. . . . . . . . . . . . 13 ⊢ (𝑊 ∈ LVec → 𝑊 ∈ LMod)
20	19	ad2antrr 726	. . . . . . . . . . . 12 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) → 𝑊 ∈ LMod)
21		eqid 2729	. . . . . . . . . . . . . . . 16 ⊢ (Scalar‘𝑊) = (Scalar‘𝑊)
22	21	lmodring 20789	. . . . . . . . . . . . . . 15 ⊢ (𝑊 ∈ LMod → (Scalar‘𝑊) ∈ Ring)
23	19, 22	syl 17	. . . . . . . . . . . . . 14 ⊢ (𝑊 ∈ LVec → (Scalar‘𝑊) ∈ Ring)
24		eqid 2729	. . . . . . . . . . . . . . 15 ⊢ (0_g‘(Scalar‘𝑊)) = (0_g‘(Scalar‘𝑊))
25		eqid 2729	. . . . . . . . . . . . . . 15 ⊢ (Base‘(Scalar‘𝑊)) = (Base‘(Scalar‘𝑊))
26	24, 25	ringelnzr 20426	. . . . . . . . . . . . . 14 ⊢ (((Scalar‘𝑊) ∈ Ring ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))})) → (Scalar‘𝑊) ∈ NzRing)
27	23, 26	sylan 580	. . . . . . . . . . . . 13 ⊢ ((𝑊 ∈ LVec ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))})) → (Scalar‘𝑊) ∈ NzRing)
28	27	ad2ant2rl 749	. . . . . . . . . . . 12 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) → (Scalar‘𝑊) ∈ NzRing)
29		simplr 768	. . . . . . . . . . . 12 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) → 𝐹 ∈ (LIndS‘𝑊))
30		simprl 770	. . . . . . . . . . . 12 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) → 𝑥 ∈ 𝐹)
31		eqid 2729	. . . . . . . . . . . . 13 ⊢ (LSpan‘𝑊) = (LSpan‘𝑊)
32	31, 21	lindsind2 21744	. . . . . . . . . . . 12 ⊢ (((𝑊 ∈ LMod ∧ (Scalar‘𝑊) ∈ NzRing) ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑥 ∈ 𝐹) → ¬ 𝑥 ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑥})))
33	20, 28, 29, 30, 32	syl211anc 1378	. . . . . . . . . . 11 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) → ¬ 𝑥 ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑥})))
34	33	3adantl3 1169	. . . . . . . . . 10 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) → ¬ 𝑥 ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑥})))
35	34	adantr 480	. . . . . . . . 9 ⊢ ((((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) ∧ 𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋}))) → ¬ 𝑥 ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑥})))
36	18, 35	eldifd 3916	. . . . . . . 8 ⊢ ((((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) ∧ 𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋}))) → 𝑥 ∈ (((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋})) ∖ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑥}))))
37		eqid 2729	. . . . . . . . 9 ⊢ (LSubSp‘𝑊) = (LSubSp‘𝑊)
38	1, 37, 31	lspsolv 21068	. . . . . . . 8 ⊢ ((𝑊 ∈ LVec ∧ ((𝐹 ∖ {𝑥}) ⊆ (Base‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊) ∧ 𝑥 ∈ (((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋})) ∖ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑥}))))) → 𝑋 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑥})))
39	12, 15, 17, 36, 38	syl13anc 1374	. . . . . . 7 ⊢ ((((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) ∧ 𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋}))) → 𝑋 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑥})))
40	39	ex 412	. . . . . 6 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) → (𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋})) → 𝑋 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑥}))))
41		eldif 3915	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹)) ↔ (𝑋 ∈ (Base‘𝑊) ∧ ¬ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹)))
42		snssi 4762	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ (𝑋 ∈ 𝐹 → {𝑋} ⊆ 𝐹)
43	1, 31	lspss 20905	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ ((𝑊 ∈ LMod ∧ 𝐹 ⊆ (Base‘𝑊) ∧ {𝑋} ⊆ 𝐹) → ((LSpan‘𝑊)‘{𝑋}) ⊆ ((LSpan‘𝑊)‘𝐹))
44	19, 2, 42, 43	syl3an 1160	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ 𝐹) → ((LSpan‘𝑊)‘{𝑋}) ⊆ ((LSpan‘𝑊)‘𝐹))
45	44	ad4ant124 1174	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑋 ∈ 𝐹) → ((LSpan‘𝑊)‘{𝑋}) ⊆ ((LSpan‘𝑊)‘𝐹))
46	1, 31	lspsnid 20914	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ ((𝑊 ∈ LMod ∧ 𝑋 ∈ (Base‘𝑊)) → 𝑋 ∈ ((LSpan‘𝑊)‘{𝑋}))
47	19, 46	sylan 580	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((𝑊 ∈ LVec ∧ 𝑋 ∈ (Base‘𝑊)) → 𝑋 ∈ ((LSpan‘𝑊)‘{𝑋}))
48	47	ad4ant13 751	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑋 ∈ 𝐹) → 𝑋 ∈ ((LSpan‘𝑊)‘{𝑋}))
49	45, 48	sseldd 3938	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑋 ∈ 𝐹) → 𝑋 ∈ ((LSpan‘𝑊)‘𝐹))
50	49	ex 412	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ 𝑋 ∈ (Base‘𝑊)) → (𝑋 ∈ 𝐹 → 𝑋 ∈ ((LSpan‘𝑊)‘𝐹)))
51	50	con3d 152	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ 𝑋 ∈ (Base‘𝑊)) → (¬ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹) → ¬ 𝑋 ∈ 𝐹))
52	51	expimpd 453	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) → ((𝑋 ∈ (Base‘𝑊) ∧ ¬ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹)) → ¬ 𝑋 ∈ 𝐹))
53	52	3impia 1117	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ (𝑋 ∈ (Base‘𝑊) ∧ ¬ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹))) → ¬ 𝑋 ∈ 𝐹)
54	41, 53	syl3an3b 1407	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → ¬ 𝑋 ∈ 𝐹)
55		eleq1 2816	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑋 = 𝑥 → (𝑋 ∈ 𝐹 ↔ 𝑥 ∈ 𝐹))
56	55	notbid 318	. . . . . . . . . . . . . . . . 17 ⊢ (𝑋 = 𝑥 → (¬ 𝑋 ∈ 𝐹 ↔ ¬ 𝑥 ∈ 𝐹))
57	54, 56	syl5ibcom 245	. . . . . . . . . . . . . . . 16 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → (𝑋 = 𝑥 → ¬ 𝑥 ∈ 𝐹))
58	57	necon2ad 2940	. . . . . . . . . . . . . . 15 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → (𝑥 ∈ 𝐹 → 𝑋 ≠ 𝑥))
59	58	imp 406	. . . . . . . . . . . . . 14 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑥 ∈ 𝐹) → 𝑋 ≠ 𝑥)
60		disjsn2 4666	. . . . . . . . . . . . . 14 ⊢ (𝑋 ≠ 𝑥 → ({𝑋} ∩ {𝑥}) = ∅)
61	59, 60	syl 17	. . . . . . . . . . . . 13 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑥 ∈ 𝐹) → ({𝑋} ∩ {𝑥}) = ∅)
62		disj3 4407	. . . . . . . . . . . . 13 ⊢ (({𝑋} ∩ {𝑥}) = ∅ ↔ {𝑋} = ({𝑋} ∖ {𝑥}))
63	61, 62	sylib 218	. . . . . . . . . . . 12 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑥 ∈ 𝐹) → {𝑋} = ({𝑋} ∖ {𝑥}))
64	63	uneq2d 4121	. . . . . . . . . . 11 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑥 ∈ 𝐹) → ((𝐹 ∖ {𝑥}) ∪ {𝑋}) = ((𝐹 ∖ {𝑥}) ∪ ({𝑋} ∖ {𝑥})))
65		difundir 4244	. . . . . . . . . . 11 ⊢ ((𝐹 ∪ {𝑋}) ∖ {𝑥}) = ((𝐹 ∖ {𝑥}) ∪ ({𝑋} ∖ {𝑥}))
66	64, 65	eqtr4di 2782	. . . . . . . . . 10 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑥 ∈ 𝐹) → ((𝐹 ∖ {𝑥}) ∪ {𝑋}) = ((𝐹 ∪ {𝑋}) ∖ {𝑥}))
67	66	fveq2d 6830	. . . . . . . . 9 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑥 ∈ 𝐹) → ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋})) = ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})))
68	67	eleq2d 2814	. . . . . . . 8 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑥 ∈ 𝐹) → (𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋})) ↔ 𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥}))))
69	68	adantrr 717	. . . . . . 7 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) → (𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋})) ↔ 𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥}))))
70		simpl 482	. . . . . . . . . . . . 13 ⊢ ((𝑊 ∈ LVec ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))})) → 𝑊 ∈ LVec)
71		eldifsn 4740	. . . . . . . . . . . . . . 15 ⊢ (𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}) ↔ (𝑘 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑘 ≠ (0_g‘(Scalar‘𝑊))))
72	71	biimpi 216	. . . . . . . . . . . . . 14 ⊢ (𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}) → (𝑘 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑘 ≠ (0_g‘(Scalar‘𝑊))))
73	72	adantl 481	. . . . . . . . . . . . 13 ⊢ ((𝑊 ∈ LVec ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))})) → (𝑘 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑘 ≠ (0_g‘(Scalar‘𝑊))))
74	2	sselda 3937	. . . . . . . . . . . . 13 ⊢ ((𝐹 ∈ (LIndS‘𝑊) ∧ 𝑥 ∈ 𝐹) → 𝑥 ∈ (Base‘𝑊))
75		eqid 2729	. . . . . . . . . . . . . 14 ⊢ ( ·_𝑠 ‘𝑊) = ( ·_𝑠 ‘𝑊)
76	1, 21, 75, 25, 24, 31	lspsnvs 21039	. . . . . . . . . . . . 13 ⊢ ((𝑊 ∈ LVec ∧ (𝑘 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑘 ≠ (0_g‘(Scalar‘𝑊))) ∧ 𝑥 ∈ (Base‘𝑊)) → ((LSpan‘𝑊)‘{(𝑘( ·_𝑠 ‘𝑊)𝑥)}) = ((LSpan‘𝑊)‘{𝑥}))
77	70, 73, 74, 76	syl2an3an 1424	. . . . . . . . . . . 12 ⊢ (((𝑊 ∈ LVec ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))})) ∧ (𝐹 ∈ (LIndS‘𝑊) ∧ 𝑥 ∈ 𝐹)) → ((LSpan‘𝑊)‘{(𝑘( ·_𝑠 ‘𝑊)𝑥)}) = ((LSpan‘𝑊)‘{𝑥}))
78	77	an42s 661	. . . . . . . . . . 11 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) → ((LSpan‘𝑊)‘{(𝑘( ·_𝑠 ‘𝑊)𝑥)}) = ((LSpan‘𝑊)‘{𝑥}))
79	78	sseq1d 3969	. . . . . . . . . 10 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) → (((LSpan‘𝑊)‘{(𝑘( ·_𝑠 ‘𝑊)𝑥)}) ⊆ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ ((LSpan‘𝑊)‘{𝑥}) ⊆ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥}))))
80	79	3adantl3 1169	. . . . . . . . 9 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) → (((LSpan‘𝑊)‘{(𝑘( ·_𝑠 ‘𝑊)𝑥)}) ⊆ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ ((LSpan‘𝑊)‘{𝑥}) ⊆ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥}))))
81		eldifi 4084	. . . . . . . . . 10 ⊢ (𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}) → 𝑘 ∈ (Base‘(Scalar‘𝑊)))
82	19	3ad2ant1 1133	. . . . . . . . . . . 12 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) → 𝑊 ∈ LMod)
83	82	adantr 480	. . . . . . . . . . 11 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊)))) → 𝑊 ∈ LMod)
84		snssi 4762	. . . . . . . . . . . . . . . 16 ⊢ (𝑋 ∈ (Base‘𝑊) → {𝑋} ⊆ (Base‘𝑊))
85	2, 84, 6	syl2an 596	. . . . . . . . . . . . . . 15 ⊢ ((𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) → (𝐹 ∪ {𝑋}) ⊆ (Base‘𝑊))
86	85	ssdifssd 4100	. . . . . . . . . . . . . 14 ⊢ ((𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) → ((𝐹 ∪ {𝑋}) ∖ {𝑥}) ⊆ (Base‘𝑊))
87	1, 37, 31	lspcl 20897	. . . . . . . . . . . . . 14 ⊢ ((𝑊 ∈ LMod ∧ ((𝐹 ∪ {𝑋}) ∖ {𝑥}) ⊆ (Base‘𝑊)) → ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ∈ (LSubSp‘𝑊))
88	19, 86, 87	syl2an 596	. . . . . . . . . . . . 13 ⊢ ((𝑊 ∈ LVec ∧ (𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊))) → ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ∈ (LSubSp‘𝑊))
89	88	3impb 1114	. . . . . . . . . . . 12 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) → ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ∈ (LSubSp‘𝑊))
90	89	adantr 480	. . . . . . . . . . 11 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊)))) → ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ∈ (LSubSp‘𝑊))
91	19	anim1i 615	. . . . . . . . . . . . . 14 ⊢ ((𝑊 ∈ LVec ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊))) → (𝑊 ∈ LMod ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊))))
92	1, 21, 75, 25	lmodvscl 20799	. . . . . . . . . . . . . . 15 ⊢ ((𝑊 ∈ LMod ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑥 ∈ (Base‘𝑊)) → (𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ (Base‘𝑊))
93	92	3expa 1118	. . . . . . . . . . . . . 14 ⊢ (((𝑊 ∈ LMod ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊))) ∧ 𝑥 ∈ (Base‘𝑊)) → (𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ (Base‘𝑊))
94	91, 74, 93	syl2an 596	. . . . . . . . . . . . 13 ⊢ (((𝑊 ∈ LVec ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊))) ∧ (𝐹 ∈ (LIndS‘𝑊) ∧ 𝑥 ∈ 𝐹)) → (𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ (Base‘𝑊))
95	94	an42s 661	. . . . . . . . . . . 12 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊)))) → (𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ (Base‘𝑊))
96	95	3adantl3 1169	. . . . . . . . . . 11 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊)))) → (𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ (Base‘𝑊))
97	1, 37, 31, 83, 90, 96	ellspsn5b 20916	. . . . . . . . . 10 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊)))) → ((𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ ((LSpan‘𝑊)‘{(𝑘( ·_𝑠 ‘𝑊)𝑥)}) ⊆ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥}))))
98	81, 97	sylanr2 683	. . . . . . . . 9 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) → ((𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ ((LSpan‘𝑊)‘{(𝑘( ·_𝑠 ‘𝑊)𝑥)}) ⊆ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥}))))
99	82	adantr 480	. . . . . . . . . . 11 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑥 ∈ 𝐹) → 𝑊 ∈ LMod)
100	89	adantr 480	. . . . . . . . . . 11 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑥 ∈ 𝐹) → ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ∈ (LSubSp‘𝑊))
101	74	3ad2antl2 1187	. . . . . . . . . . 11 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑥 ∈ 𝐹) → 𝑥 ∈ (Base‘𝑊))
102	1, 37, 31, 99, 100, 101	ellspsn5b 20916	. . . . . . . . . 10 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑥 ∈ 𝐹) → (𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ ((LSpan‘𝑊)‘{𝑥}) ⊆ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥}))))
103	102	adantrr 717	. . . . . . . . 9 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) → (𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ ((LSpan‘𝑊)‘{𝑥}) ⊆ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥}))))
104	80, 98, 103	3bitr4rd 312	. . . . . . . 8 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) → (𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ (𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥}))))
105	3, 104	syl3anl3 1416	. . . . . . 7 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) → (𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ (𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥}))))
106	69, 105	bitrd 279	. . . . . 6 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) → (𝑥 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑋})) ↔ (𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥}))))
107		difsnid 4764	. . . . . . . . 9 ⊢ (𝑥 ∈ 𝐹 → ((𝐹 ∖ {𝑥}) ∪ {𝑥}) = 𝐹)
108	107	fveq2d 6830	. . . . . . . 8 ⊢ (𝑥 ∈ 𝐹 → ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑥})) = ((LSpan‘𝑊)‘𝐹))
109	108	eleq2d 2814	. . . . . . 7 ⊢ (𝑥 ∈ 𝐹 → (𝑋 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑥})) ↔ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹)))
110	109	ad2antrl 728	. . . . . 6 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) → (𝑋 ∈ ((LSpan‘𝑊)‘((𝐹 ∖ {𝑥}) ∪ {𝑥})) ↔ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹)))
111	40, 106, 110	3imtr3d 293	. . . . 5 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) → ((𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) → 𝑋 ∈ ((LSpan‘𝑊)‘𝐹)))
112	11, 111	mtod 198	. . . 4 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ (𝑥 ∈ 𝐹 ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}))) → ¬ (𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})))
113	112	ralrimivva 3172	. . 3 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → ∀𝑥 ∈ 𝐹 ∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}) ¬ (𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})))
114	10	adantr 480	. . . . . 6 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))})) → ¬ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹))
115		difsn 4752	. . . . . . . . . . 11 ⊢ (¬ 𝑋 ∈ 𝐹 → (𝐹 ∖ {𝑋}) = 𝐹)
116	54, 115	syl 17	. . . . . . . . . 10 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → (𝐹 ∖ {𝑋}) = 𝐹)
117	116	fveq2d 6830	. . . . . . . . 9 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋})) = ((LSpan‘𝑊)‘𝐹))
118	117	eleq2d 2814	. . . . . . . 8 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → ((𝑘( ·_𝑠 ‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋})) ↔ (𝑘( ·_𝑠 ‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘𝐹)))
119	118	adantr 480	. . . . . . 7 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))})) → ((𝑘( ·_𝑠 ‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋})) ↔ (𝑘( ·_𝑠 ‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘𝐹)))
120	1, 21, 75, 25, 24, 31	lspsnvs 21039	. . . . . . . . . . . . . 14 ⊢ ((𝑊 ∈ LVec ∧ (𝑘 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑘 ≠ (0_g‘(Scalar‘𝑊))) ∧ 𝑋 ∈ (Base‘𝑊)) → ((LSpan‘𝑊)‘{(𝑘( ·_𝑠 ‘𝑊)𝑋)}) = ((LSpan‘𝑊)‘{𝑋}))
121	120	3expa 1118	. . . . . . . . . . . . 13 ⊢ (((𝑊 ∈ LVec ∧ (𝑘 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑘 ≠ (0_g‘(Scalar‘𝑊)))) ∧ 𝑋 ∈ (Base‘𝑊)) → ((LSpan‘𝑊)‘{(𝑘( ·_𝑠 ‘𝑊)𝑋)}) = ((LSpan‘𝑊)‘{𝑋}))
122	121	an32s 652	. . . . . . . . . . . 12 ⊢ (((𝑊 ∈ LVec ∧ 𝑋 ∈ (Base‘𝑊)) ∧ (𝑘 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑘 ≠ (0_g‘(Scalar‘𝑊)))) → ((LSpan‘𝑊)‘{(𝑘( ·_𝑠 ‘𝑊)𝑋)}) = ((LSpan‘𝑊)‘{𝑋}))
123	71, 122	sylan2b 594	. . . . . . . . . . 11 ⊢ (((𝑊 ∈ LVec ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))})) → ((LSpan‘𝑊)‘{(𝑘( ·_𝑠 ‘𝑊)𝑋)}) = ((LSpan‘𝑊)‘{𝑋}))
124	123	sseq1d 3969	. . . . . . . . . 10 ⊢ (((𝑊 ∈ LVec ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))})) → (((LSpan‘𝑊)‘{(𝑘( ·_𝑠 ‘𝑊)𝑋)}) ⊆ ((LSpan‘𝑊)‘𝐹) ↔ ((LSpan‘𝑊)‘{𝑋}) ⊆ ((LSpan‘𝑊)‘𝐹)))
125	124	3adantl2 1168	. . . . . . . . 9 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))})) → (((LSpan‘𝑊)‘{(𝑘( ·_𝑠 ‘𝑊)𝑋)}) ⊆ ((LSpan‘𝑊)‘𝐹) ↔ ((LSpan‘𝑊)‘{𝑋}) ⊆ ((LSpan‘𝑊)‘𝐹)))
126	82	adantr 480	. . . . . . . . . . 11 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊))) → 𝑊 ∈ LMod)
127	1, 37, 31	lspcl 20897	. . . . . . . . . . . . . 14 ⊢ ((𝑊 ∈ LMod ∧ 𝐹 ⊆ (Base‘𝑊)) → ((LSpan‘𝑊)‘𝐹) ∈ (LSubSp‘𝑊))
128	19, 2, 127	syl2an 596	. . . . . . . . . . . . 13 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊)) → ((LSpan‘𝑊)‘𝐹) ∈ (LSubSp‘𝑊))
129	128	3adant3 1132	. . . . . . . . . . . 12 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) → ((LSpan‘𝑊)‘𝐹) ∈ (LSubSp‘𝑊))
130	129	adantr 480	. . . . . . . . . . 11 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊))) → ((LSpan‘𝑊)‘𝐹) ∈ (LSubSp‘𝑊))
131	1, 21, 75, 25	lmodvscl 20799	. . . . . . . . . . . . . . 15 ⊢ ((𝑊 ∈ LMod ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊)) ∧ 𝑋 ∈ (Base‘𝑊)) → (𝑘( ·_𝑠 ‘𝑊)𝑋) ∈ (Base‘𝑊))
132	131	3expa 1118	. . . . . . . . . . . . . 14 ⊢ (((𝑊 ∈ LMod ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊))) ∧ 𝑋 ∈ (Base‘𝑊)) → (𝑘( ·_𝑠 ‘𝑊)𝑋) ∈ (Base‘𝑊))
133	132	an32s 652	. . . . . . . . . . . . 13 ⊢ (((𝑊 ∈ LMod ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊))) → (𝑘( ·_𝑠 ‘𝑊)𝑋) ∈ (Base‘𝑊))
134	19, 133	sylanl1 680	. . . . . . . . . . . 12 ⊢ (((𝑊 ∈ LVec ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊))) → (𝑘( ·_𝑠 ‘𝑊)𝑋) ∈ (Base‘𝑊))
135	134	3adantl2 1168	. . . . . . . . . . 11 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊))) → (𝑘( ·_𝑠 ‘𝑊)𝑋) ∈ (Base‘𝑊))
136	1, 37, 31, 126, 130, 135	ellspsn5b 20916	. . . . . . . . . 10 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ (Base‘(Scalar‘𝑊))) → ((𝑘( ·_𝑠 ‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘𝐹) ↔ ((LSpan‘𝑊)‘{(𝑘( ·_𝑠 ‘𝑊)𝑋)}) ⊆ ((LSpan‘𝑊)‘𝐹)))
137	81, 136	sylan2 593	. . . . . . . . 9 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))})) → ((𝑘( ·_𝑠 ‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘𝐹) ↔ ((LSpan‘𝑊)‘{(𝑘( ·_𝑠 ‘𝑊)𝑋)}) ⊆ ((LSpan‘𝑊)‘𝐹)))
138		simp3 1138	. . . . . . . . . . 11 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) → 𝑋 ∈ (Base‘𝑊))
139	1, 37, 31, 82, 129, 138	ellspsn5b 20916	. . . . . . . . . 10 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) → (𝑋 ∈ ((LSpan‘𝑊)‘𝐹) ↔ ((LSpan‘𝑊)‘{𝑋}) ⊆ ((LSpan‘𝑊)‘𝐹)))
140	139	adantr 480	. . . . . . . . 9 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))})) → (𝑋 ∈ ((LSpan‘𝑊)‘𝐹) ↔ ((LSpan‘𝑊)‘{𝑋}) ⊆ ((LSpan‘𝑊)‘𝐹)))
141	125, 137, 140	3bitr4d 311	. . . . . . . 8 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ (Base‘𝑊)) ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))})) → ((𝑘( ·_𝑠 ‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘𝐹) ↔ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹)))
142	3, 141	syl3anl3 1416	. . . . . . 7 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))})) → ((𝑘( ·_𝑠 ‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘𝐹) ↔ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹)))
143	119, 142	bitrd 279	. . . . . 6 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))})) → ((𝑘( ·_𝑠 ‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋})) ↔ 𝑋 ∈ ((LSpan‘𝑊)‘𝐹)))
144	114, 143	mtbird 325	. . . . 5 ⊢ (((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) ∧ 𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))})) → ¬ (𝑘( ·_𝑠 ‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋})))
145	144	ralrimiva 3121	. . . 4 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → ∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}) ¬ (𝑘( ·_𝑠 ‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋})))
146		oveq2 7361	. . . . . . . . 9 ⊢ (𝑥 = 𝑋 → (𝑘( ·_𝑠 ‘𝑊)𝑥) = (𝑘( ·_𝑠 ‘𝑊)𝑋))
147		sneq 4589	. . . . . . . . . . . 12 ⊢ (𝑥 = 𝑋 → {𝑥} = {𝑋})
148	147	difeq2d 4079	. . . . . . . . . . 11 ⊢ (𝑥 = 𝑋 → ((𝐹 ∪ {𝑋}) ∖ {𝑥}) = ((𝐹 ∪ {𝑋}) ∖ {𝑋}))
149		difun2 4434	. . . . . . . . . . 11 ⊢ ((𝐹 ∪ {𝑋}) ∖ {𝑋}) = (𝐹 ∖ {𝑋})
150	148, 149	eqtrdi 2780	. . . . . . . . . 10 ⊢ (𝑥 = 𝑋 → ((𝐹 ∪ {𝑋}) ∖ {𝑥}) = (𝐹 ∖ {𝑋}))
151	150	fveq2d 6830	. . . . . . . . 9 ⊢ (𝑥 = 𝑋 → ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) = ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋})))
152	146, 151	eleq12d 2822	. . . . . . . 8 ⊢ (𝑥 = 𝑋 → ((𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ (𝑘( ·_𝑠 ‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋}))))
153	152	notbid 318	. . . . . . 7 ⊢ (𝑥 = 𝑋 → (¬ (𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ ¬ (𝑘( ·_𝑠 ‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋}))))
154	153	ralbidv 3152	. . . . . 6 ⊢ (𝑥 = 𝑋 → (∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}) ¬ (𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ ∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}) ¬ (𝑘( ·_𝑠 ‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋}))))
155	154	ralsng 4629	. . . . 5 ⊢ (𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹)) → (∀𝑥 ∈ {𝑋}∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}) ¬ (𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ ∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}) ¬ (𝑘( ·_𝑠 ‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋}))))
156	155	3ad2ant3 1135	. . . 4 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → (∀𝑥 ∈ {𝑋}∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}) ¬ (𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ ∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}) ¬ (𝑘( ·_𝑠 ‘𝑊)𝑋) ∈ ((LSpan‘𝑊)‘(𝐹 ∖ {𝑋}))))
157	145, 156	mpbird 257	. . 3 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → ∀𝑥 ∈ {𝑋}∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}) ¬ (𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})))
158		ralunb 4150	. . 3 ⊢ (∀𝑥 ∈ (𝐹 ∪ {𝑋})∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}) ¬ (𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ↔ (∀𝑥 ∈ 𝐹 ∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}) ¬ (𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})) ∧ ∀𝑥 ∈ {𝑋}∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}) ¬ (𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥}))))
159	113, 157, 158	sylanbrc 583	. 2 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → ∀𝑥 ∈ (𝐹 ∪ {𝑋})∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}) ¬ (𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})))
160	1, 75, 31, 21, 25, 24	islinds2 21738	. . 3 ⊢ (𝑊 ∈ LVec → ((𝐹 ∪ {𝑋}) ∈ (LIndS‘𝑊) ↔ ((𝐹 ∪ {𝑋}) ⊆ (Base‘𝑊) ∧ ∀𝑥 ∈ (𝐹 ∪ {𝑋})∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}) ¬ (𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})))))
161	160	3ad2ant1 1133	. 2 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → ((𝐹 ∪ {𝑋}) ∈ (LIndS‘𝑊) ↔ ((𝐹 ∪ {𝑋}) ⊆ (Base‘𝑊) ∧ ∀𝑥 ∈ (𝐹 ∪ {𝑋})∀𝑘 ∈ ((Base‘(Scalar‘𝑊)) ∖ {(0_g‘(Scalar‘𝑊))}) ¬ (𝑘( ·_𝑠 ‘𝑊)𝑥) ∈ ((LSpan‘𝑊)‘((𝐹 ∪ {𝑋}) ∖ {𝑥})))))
162	8, 159, 161	mpbir2and 713	1 ⊢ ((𝑊 ∈ LVec ∧ 𝐹 ∈ (LIndS‘𝑊) ∧ 𝑋 ∈ ((Base‘𝑊) ∖ ((LSpan‘𝑊)‘𝐹))) → (𝐹 ∪ {𝑋}) ∈ (LIndS‘𝑊))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 206 ∧ wa 395 ∧ w3a 1086 = wceq 1540 ∈ wcel 2109 ≠ wne 2925 ∀wral 3044 ∖ cdif 3902 ∪ cun 3903 ∩ cin 3904 ⊆ wss 3905 ∅c0 4286 {csn 4579 ‘cfv 6486 (class class class)co 7353 Basecbs 17138 Scalarcsca 17182 ·_𝑠 cvsca 17183 0_gc0g 17361 Ringcrg 20136 NzRingcnzr 20415 LModclmod 20781 LSubSpclss 20852 LSpanclspn 20892 LVecclvec 21024 LIndSclinds 21730

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5221 ax-sep 5238 ax-nul 5248 ax-pow 5307 ax-pr 5374 ax-un 7675 ax-cnex 11084 ax-resscn 11085 ax-1cn 11086 ax-icn 11087 ax-addcl 11088 ax-addrcl 11089 ax-mulcl 11090 ax-mulrcl 11091 ax-mulcom 11092 ax-addass 11093 ax-mulass 11094 ax-distr 11095 ax-i2m1 11096 ax-1ne0 11097 ax-1rid 11098 ax-rnegex 11099 ax-rrecex 11100 ax-cnre 11101 ax-pre-lttri 11102 ax-pre-lttrn 11103 ax-pre-ltadd 11104 ax-pre-mulgt0 11105

This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-rmo 3345 df-reu 3346 df-rab 3397 df-v 3440 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4479 df-pw 4555 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4862 df-int 4900 df-iun 4946 df-br 5096 df-opab 5158 df-mpt 5177 df-tr 5203 df-id 5518 df-eprel 5523 df-po 5531 df-so 5532 df-fr 5576 df-we 5578 df-xp 5629 df-rel 5630 df-cnv 5631 df-co 5632 df-dm 5633 df-rn 5634 df-res 5635 df-ima 5636 df-pred 6253 df-ord 6314 df-on 6315 df-lim 6316 df-suc 6317 df-iota 6442 df-fun 6488 df-fn 6489 df-f 6490 df-f1 6491 df-fo 6492 df-f1o 6493 df-fv 6494 df-riota 7310 df-ov 7356 df-oprab 7357 df-mpo 7358 df-om 7807 df-1st 7931 df-2nd 7932 df-tpos 8166 df-frecs 8221 df-wrecs 8252 df-recs 8301 df-rdg 8339 df-er 8632 df-en 8880 df-dom 8881 df-sdom 8882 df-pnf 11170 df-mnf 11171 df-xr 11172 df-ltxr 11173 df-le 11174 df-sub 11367 df-neg 11368 df-nn 12147 df-2 12209 df-3 12210 df-sets 17093 df-slot 17111 df-ndx 17123 df-base 17139 df-ress 17160 df-plusg 17192 df-mulr 17193 df-0g 17363 df-mgm 18532 df-sgrp 18611 df-mnd 18627 df-grp 18833 df-minusg 18834 df-sbg 18835 df-cmn 19679 df-abl 19680 df-mgp 20044 df-rng 20056 df-ur 20085 df-ring 20138 df-oppr 20240 df-dvdsr 20260 df-unit 20261 df-invr 20291 df-nzr 20416 df-drng 20634 df-lmod 20783 df-lss 20853 df-lsp 20893 df-lvec 21025 df-lindf 21731 df-linds 21732

This theorem is referenced by: (None)

W3C validator