mapdh8ad - Mathbox for Norm Megill

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Theorem mapdh8ad 38308

Description: Part of Part (8) in [Baer] p. 48. (Contributed by NM, 13-May-2015.)

**Hypotheses**
Ref	Expression
mapdh8a.h	⊢ 𝐻 = (LHyp‘𝐾)
mapdh8a.u	⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊)
mapdh8a.v	⊢ 𝑉 = (Base‘𝑈)
mapdh8a.s	⊢ − = (-_g‘𝑈)
mapdh8a.o	⊢ 0 = (0_g‘𝑈)
mapdh8a.n	⊢ 𝑁 = (LSpan‘𝑈)
mapdh8a.c	⊢ 𝐶 = ((LCDual‘𝐾)‘𝑊)
mapdh8a.d	⊢ 𝐷 = (Base‘𝐶)
mapdh8a.r	⊢ 𝑅 = (-_g‘𝐶)
mapdh8a.q	⊢ 𝑄 = (0_g‘𝐶)
mapdh8a.j	⊢ 𝐽 = (LSpan‘𝐶)
mapdh8a.m	⊢ 𝑀 = ((mapd‘𝐾)‘𝑊)
mapdh8a.i	⊢ 𝐼 = (𝑥 ∈ V ↦ if((2^nd ‘𝑥) = 0 , 𝑄, (℩ℎ ∈ 𝐷 ((𝑀‘(𝑁‘{(2^nd ‘𝑥)})) = (𝐽‘{ℎ}) ∧ (𝑀‘(𝑁‘{((1^st ‘(1^st ‘𝑥)) − (2^nd ‘𝑥))})) = (𝐽‘{((2^nd ‘(1^st ‘𝑥))𝑅ℎ)})))))
mapdh8a.k	⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
mapdh8ac.f	⊢ (𝜑 → 𝐹 ∈ 𝐷)
mapdh8ac.mn	⊢ (𝜑 → (𝑀‘(𝑁‘{𝑋})) = (𝐽‘{𝐹}))
mapdh8ac.eg	⊢ (𝜑 → (𝐼‘⟨𝑋, 𝐹, 𝑌⟩) = 𝐺)
mapdh8ac.ee	⊢ (𝜑 → (𝐼‘⟨𝑋, 𝐹, 𝑍⟩) = 𝐸)
mapdh8ac.x	⊢ (𝜑 → 𝑋 ∈ (𝑉 ∖ { 0 }))
mapdh8ac.y	⊢ (𝜑 → 𝑌 ∈ (𝑉 ∖ { 0 }))
mapdh8ac.z	⊢ (𝜑 → 𝑍 ∈ (𝑉 ∖ { 0 }))
mapdh8ac.t	⊢ (𝜑 → 𝑇 ∈ (𝑉 ∖ { 0 }))
mapdh8ac.yn	⊢ (𝜑 → (𝑁‘{𝑋}) = (𝑁‘{𝑇}))
mapdh8ad.xy	⊢ (𝜑 → (𝑁‘{𝑋}) ≠ (𝑁‘{𝑌}))
mapdh8ad.xz	⊢ (𝜑 → (𝑁‘{𝑋}) ≠ (𝑁‘{𝑍}))

**Assertion**
Ref	Expression
mapdh8ad	⊢ (𝜑 → (𝐼‘⟨𝑌, 𝐺, 𝑇⟩) = (𝐼‘⟨𝑍, 𝐸, 𝑇⟩))

Distinct variable groups: 𝑥,ℎ, − 0 ,ℎ,𝑥 𝐶,ℎ 𝐷,ℎ,𝑥 ℎ,𝐹,𝑥 ℎ,𝐼 ℎ,𝐺,𝑥 ℎ,𝐽,𝑥 ℎ,𝑀,𝑥 ℎ,𝑁,𝑥 𝜑,ℎ 𝑅,ℎ,𝑥 𝑥,𝑄 𝑇,ℎ,𝑥 𝑈,ℎ ℎ,𝑋,𝑥 ℎ,𝑌,𝑥 ℎ,𝐸,𝑥 ℎ,𝑍,𝑥 𝑥,𝐼 ℎ,𝑉 Allowed substitution hints: 𝜑(𝑥) 𝐶(𝑥) 𝑄(ℎ) 𝑈(𝑥) 𝐻(𝑥,ℎ) 𝐾(𝑥,ℎ) 𝑉(𝑥) 𝑊(𝑥,ℎ)

Proof of Theorem mapdh8ad Dummy variable 𝑤 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		mapdh8a.h	. . 3 ⊢ 𝐻 = (LHyp‘𝐾)
2		mapdh8a.u	. . 3 ⊢ 𝑈 = ((DVecH‘𝐾)‘𝑊)
3		mapdh8a.v	. . 3 ⊢ 𝑉 = (Base‘𝑈)
4		mapdh8a.n	. . 3 ⊢ 𝑁 = (LSpan‘𝑈)
5		mapdh8a.k	. . 3 ⊢ (𝜑 → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
6		mapdh8ac.x	. . . 4 ⊢ (𝜑 → 𝑋 ∈ (𝑉 ∖ { 0 }))
7	6	eldifad 3837	. . 3 ⊢ (𝜑 → 𝑋 ∈ 𝑉)
8		mapdh8ac.y	. . . 4 ⊢ (𝜑 → 𝑌 ∈ (𝑉 ∖ { 0 }))
9	8	eldifad 3837	. . 3 ⊢ (𝜑 → 𝑌 ∈ 𝑉)
10		mapdh8ac.z	. . . 4 ⊢ (𝜑 → 𝑍 ∈ (𝑉 ∖ { 0 }))
11	10	eldifad 3837	. . 3 ⊢ (𝜑 → 𝑍 ∈ 𝑉)
12	1, 2, 3, 4, 5, 7, 9, 11	dvh3dim2 37977	. 2 ⊢ (𝜑 → ∃𝑤 ∈ 𝑉 (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍})))
13		mapdh8a.s	. . . 4 ⊢ − = (-_g‘𝑈)
14		mapdh8a.o	. . . 4 ⊢ 0 = (0_g‘𝑈)
15		mapdh8a.c	. . . 4 ⊢ 𝐶 = ((LCDual‘𝐾)‘𝑊)
16		mapdh8a.d	. . . 4 ⊢ 𝐷 = (Base‘𝐶)
17		mapdh8a.r	. . . 4 ⊢ 𝑅 = (-_g‘𝐶)
18		mapdh8a.q	. . . 4 ⊢ 𝑄 = (0_g‘𝐶)
19		mapdh8a.j	. . . 4 ⊢ 𝐽 = (LSpan‘𝐶)
20		mapdh8a.m	. . . 4 ⊢ 𝑀 = ((mapd‘𝐾)‘𝑊)
21		mapdh8a.i	. . . 4 ⊢ 𝐼 = (𝑥 ∈ V ↦ if((2^nd ‘𝑥) = 0 , 𝑄, (℩ℎ ∈ 𝐷 ((𝑀‘(𝑁‘{(2^nd ‘𝑥)})) = (𝐽‘{ℎ}) ∧ (𝑀‘(𝑁‘{((1^st ‘(1^st ‘𝑥)) − (2^nd ‘𝑥))})) = (𝐽‘{((2^nd ‘(1^st ‘𝑥))𝑅ℎ)})))))
22	5	3ad2ant1 1113	. . . 4 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → (𝐾 ∈ HL ∧ 𝑊 ∈ 𝐻))
23		mapdh8ac.f	. . . . 5 ⊢ (𝜑 → 𝐹 ∈ 𝐷)
24	23	3ad2ant1 1113	. . . 4 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → 𝐹 ∈ 𝐷)
25		mapdh8ac.mn	. . . . 5 ⊢ (𝜑 → (𝑀‘(𝑁‘{𝑋})) = (𝐽‘{𝐹}))
26	25	3ad2ant1 1113	. . . 4 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → (𝑀‘(𝑁‘{𝑋})) = (𝐽‘{𝐹}))
27		mapdh8ac.eg	. . . . 5 ⊢ (𝜑 → (𝐼‘⟨𝑋, 𝐹, 𝑌⟩) = 𝐺)
28	27	3ad2ant1 1113	. . . 4 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → (𝐼‘⟨𝑋, 𝐹, 𝑌⟩) = 𝐺)
29		mapdh8ac.ee	. . . . 5 ⊢ (𝜑 → (𝐼‘⟨𝑋, 𝐹, 𝑍⟩) = 𝐸)
30	29	3ad2ant1 1113	. . . 4 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → (𝐼‘⟨𝑋, 𝐹, 𝑍⟩) = 𝐸)
31	6	3ad2ant1 1113	. . . 4 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → 𝑋 ∈ (𝑉 ∖ { 0 }))
32	8	3ad2ant1 1113	. . . 4 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → 𝑌 ∈ (𝑉 ∖ { 0 }))
33	10	3ad2ant1 1113	. . . 4 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → 𝑍 ∈ (𝑉 ∖ { 0 }))
34		mapdh8ac.t	. . . . 5 ⊢ (𝜑 → 𝑇 ∈ (𝑉 ∖ { 0 }))
35	34	3ad2ant1 1113	. . . 4 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → 𝑇 ∈ (𝑉 ∖ { 0 }))
36		mapdh8ac.yn	. . . . 5 ⊢ (𝜑 → (𝑁‘{𝑋}) = (𝑁‘{𝑇}))
37	36	3ad2ant1 1113	. . . 4 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → (𝑁‘{𝑋}) = (𝑁‘{𝑇}))
38		eqidd 2773	. . . 4 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → (𝐼‘⟨𝑋, 𝐹, 𝑤⟩) = (𝐼‘⟨𝑋, 𝐹, 𝑤⟩))
39		eqid 2772	. . . . 5 ⊢ (LSubSp‘𝑈) = (LSubSp‘𝑈)
40	1, 2, 5	dvhlmod 37639	. . . . . 6 ⊢ (𝜑 → 𝑈 ∈ LMod)
41	40	3ad2ant1 1113	. . . . 5 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → 𝑈 ∈ LMod)
42	3, 39, 4, 40, 7, 9	lspprcl 19462	. . . . . 6 ⊢ (𝜑 → (𝑁‘{𝑋, 𝑌}) ∈ (LSubSp‘𝑈))
43	42	3ad2ant1 1113	. . . . 5 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → (𝑁‘{𝑋, 𝑌}) ∈ (LSubSp‘𝑈))
44		simp2 1117	. . . . 5 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → 𝑤 ∈ 𝑉)
45		simp3l 1181	. . . . 5 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}))
46	14, 39, 41, 43, 44, 45	lssneln0 19436	. . . 4 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → 𝑤 ∈ (𝑉 ∖ { 0 }))
47	1, 2, 5	dvhlvec 37638	. . . . . . . 8 ⊢ (𝜑 → 𝑈 ∈ LVec)
48	47	3ad2ant1 1113	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → 𝑈 ∈ LVec)
49	7	3ad2ant1 1113	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → 𝑋 ∈ 𝑉)
50	9	3ad2ant1 1113	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → 𝑌 ∈ 𝑉)
51	3, 4, 48, 44, 49, 50, 45	lspindpi 19616	. . . . . 6 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → ((𝑁‘{𝑤}) ≠ (𝑁‘{𝑋}) ∧ (𝑁‘{𝑤}) ≠ (𝑁‘{𝑌})))
52	51	simprd 488	. . . . 5 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → (𝑁‘{𝑤}) ≠ (𝑁‘{𝑌}))
53	52	necomd 3016	. . . 4 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → (𝑁‘{𝑌}) ≠ (𝑁‘{𝑤}))
54		simpl1 1171	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) ∧ 𝑋 ∈ (𝑁‘{𝑌, 𝑤})) → 𝜑)
55	54, 47	syl 17	. . . . . 6 ⊢ (((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) ∧ 𝑋 ∈ (𝑁‘{𝑌, 𝑤})) → 𝑈 ∈ LVec)
56	54, 6	syl 17	. . . . . 6 ⊢ (((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) ∧ 𝑋 ∈ (𝑁‘{𝑌, 𝑤})) → 𝑋 ∈ (𝑉 ∖ { 0 }))
57		simpl2 1172	. . . . . 6 ⊢ (((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) ∧ 𝑋 ∈ (𝑁‘{𝑌, 𝑤})) → 𝑤 ∈ 𝑉)
58	54, 9	syl 17	. . . . . 6 ⊢ (((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) ∧ 𝑋 ∈ (𝑁‘{𝑌, 𝑤})) → 𝑌 ∈ 𝑉)
59		mapdh8ad.xy	. . . . . . 7 ⊢ (𝜑 → (𝑁‘{𝑋}) ≠ (𝑁‘{𝑌}))
60	54, 59	syl 17	. . . . . 6 ⊢ (((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) ∧ 𝑋 ∈ (𝑁‘{𝑌, 𝑤})) → (𝑁‘{𝑋}) ≠ (𝑁‘{𝑌}))
61		simpr 477	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) ∧ 𝑋 ∈ (𝑁‘{𝑌, 𝑤})) → 𝑋 ∈ (𝑁‘{𝑌, 𝑤}))
62		prcom 4536	. . . . . . . 8 ⊢ {𝑌, 𝑤} = {𝑤, 𝑌}
63	62	fveq2i 6496	. . . . . . 7 ⊢ (𝑁‘{𝑌, 𝑤}) = (𝑁‘{𝑤, 𝑌})
64	61, 63	syl6eleq 2870	. . . . . 6 ⊢ (((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) ∧ 𝑋 ∈ (𝑁‘{𝑌, 𝑤})) → 𝑋 ∈ (𝑁‘{𝑤, 𝑌}))
65	3, 14, 4, 55, 56, 57, 58, 60, 64	lspexch 19613	. . . . 5 ⊢ (((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) ∧ 𝑋 ∈ (𝑁‘{𝑌, 𝑤})) → 𝑤 ∈ (𝑁‘{𝑋, 𝑌}))
66	45, 65	mtand 803	. . . 4 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → ¬ 𝑋 ∈ (𝑁‘{𝑌, 𝑤}))
67	11	3ad2ant1 1113	. . . . . 6 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → 𝑍 ∈ 𝑉)
68		simp3r 1182	. . . . . 6 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))
69	3, 4, 48, 44, 49, 67, 68	lspindpi 19616	. . . . 5 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → ((𝑁‘{𝑤}) ≠ (𝑁‘{𝑋}) ∧ (𝑁‘{𝑤}) ≠ (𝑁‘{𝑍})))
70	69	simprd 488	. . . 4 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → (𝑁‘{𝑤}) ≠ (𝑁‘{𝑍}))
71		simpl1 1171	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) ∧ 𝑋 ∈ (𝑁‘{𝑤, 𝑍})) → 𝜑)
72	71, 47	syl 17	. . . . . 6 ⊢ (((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) ∧ 𝑋 ∈ (𝑁‘{𝑤, 𝑍})) → 𝑈 ∈ LVec)
73	71, 6	syl 17	. . . . . 6 ⊢ (((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) ∧ 𝑋 ∈ (𝑁‘{𝑤, 𝑍})) → 𝑋 ∈ (𝑉 ∖ { 0 }))
74		simpl2 1172	. . . . . 6 ⊢ (((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) ∧ 𝑋 ∈ (𝑁‘{𝑤, 𝑍})) → 𝑤 ∈ 𝑉)
75	71, 11	syl 17	. . . . . 6 ⊢ (((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) ∧ 𝑋 ∈ (𝑁‘{𝑤, 𝑍})) → 𝑍 ∈ 𝑉)
76		mapdh8ad.xz	. . . . . . 7 ⊢ (𝜑 → (𝑁‘{𝑋}) ≠ (𝑁‘{𝑍}))
77	71, 76	syl 17	. . . . . 6 ⊢ (((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) ∧ 𝑋 ∈ (𝑁‘{𝑤, 𝑍})) → (𝑁‘{𝑋}) ≠ (𝑁‘{𝑍}))
78		simpr 477	. . . . . 6 ⊢ (((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) ∧ 𝑋 ∈ (𝑁‘{𝑤, 𝑍})) → 𝑋 ∈ (𝑁‘{𝑤, 𝑍}))
79	3, 14, 4, 72, 73, 74, 75, 77, 78	lspexch 19613	. . . . 5 ⊢ (((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) ∧ 𝑋 ∈ (𝑁‘{𝑤, 𝑍})) → 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))
80	68, 79	mtand 803	. . . 4 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → ¬ 𝑋 ∈ (𝑁‘{𝑤, 𝑍}))
81	1, 2, 3, 13, 14, 4, 15, 16, 17, 18, 19, 20, 21, 22, 24, 26, 28, 30, 31, 32, 33, 35, 37, 38, 46, 53, 66, 70, 80	mapdh8ac 38307	. . 3 ⊢ ((𝜑 ∧ 𝑤 ∈ 𝑉 ∧ (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍}))) → (𝐼‘⟨𝑌, 𝐺, 𝑇⟩) = (𝐼‘⟨𝑍, 𝐸, 𝑇⟩))
82	81	rexlimdv3a 3225	. 2 ⊢ (𝜑 → (∃𝑤 ∈ 𝑉 (¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑌}) ∧ ¬ 𝑤 ∈ (𝑁‘{𝑋, 𝑍})) → (𝐼‘⟨𝑌, 𝐺, 𝑇⟩) = (𝐼‘⟨𝑍, 𝐸, 𝑇⟩)))
83	12, 82	mpd 15	1 ⊢ (𝜑 → (𝐼‘⟨𝑌, 𝐺, 𝑇⟩) = (𝐼‘⟨𝑍, 𝐸, 𝑇⟩))

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ∧ wa 387 ∧ w3a 1068 = wceq 1507 ∈ wcel 2048 ≠ wne 2961 ∃wrex 3083 Vcvv 3409 ∖ cdif 3822 ifcif 4344 {csn 4435 {cpr 4437 ⟨cotp 4443 ↦ cmpt 5002 ‘cfv 6182 ℩crio 6930 (class class class)co 6970 1^st c1st 7492 2^nd c2nd 7493 Basecbs 16329 0_gc0g 16559 -_gcsg 17883 LModclmod 19346 LSubSpclss 19415 LSpanclspn 19455 LVecclvec 19586 HLchlt 35879 LHypclh 36513 DVecHcdvh 37607 LCDualclcd 38115 mapdcmpd 38153

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1758 ax-4 1772 ax-5 1869 ax-6 1928 ax-7 1964 ax-8 2050 ax-9 2057 ax-10 2077 ax-11 2091 ax-12 2104 ax-13 2299 ax-ext 2745 ax-rep 5043 ax-sep 5054 ax-nul 5061 ax-pow 5113 ax-pr 5180 ax-un 7273 ax-cnex 10383 ax-resscn 10384 ax-1cn 10385 ax-icn 10386 ax-addcl 10387 ax-addrcl 10388 ax-mulcl 10389 ax-mulrcl 10390 ax-mulcom 10391 ax-addass 10392 ax-mulass 10393 ax-distr 10394 ax-i2m1 10395 ax-1ne0 10396 ax-1rid 10397 ax-rnegex 10398 ax-rrecex 10399 ax-cnre 10400 ax-pre-lttri 10401 ax-pre-lttrn 10402 ax-pre-ltadd 10403 ax-pre-mulgt0 10404 ax-riotaBAD 35482

This theorem depends on definitions: df-bi 199 df-an 388 df-or 834 df-3or 1069 df-3an 1070 df-tru 1510 df-fal 1520 df-ex 1743 df-nf 1747 df-sb 2014 df-mo 2544 df-eu 2580 df-clab 2754 df-cleq 2765 df-clel 2840 df-nfc 2912 df-ne 2962 df-nel 3068 df-ral 3087 df-rex 3088 df-reu 3089 df-rmo 3090 df-rab 3091 df-v 3411 df-sbc 3678 df-csb 3783 df-dif 3828 df-un 3830 df-in 3832 df-ss 3839 df-pss 3841 df-nul 4174 df-if 4345 df-pw 4418 df-sn 4436 df-pr 4438 df-tp 4440 df-op 4442 df-ot 4444 df-uni 4707 df-int 4744 df-iun 4788 df-iin 4789 df-br 4924 df-opab 4986 df-mpt 5003 df-tr 5025 df-id 5305 df-eprel 5310 df-po 5319 df-so 5320 df-fr 5359 df-we 5361 df-xp 5406 df-rel 5407 df-cnv 5408 df-co 5409 df-dm 5410 df-rn 5411 df-res 5412 df-ima 5413 df-pred 5980 df-ord 6026 df-on 6027 df-lim 6028 df-suc 6029 df-iota 6146 df-fun 6184 df-fn 6185 df-f 6186 df-f1 6187 df-fo 6188 df-f1o 6189 df-fv 6190 df-riota 6931 df-ov 6973 df-oprab 6974 df-mpo 6975 df-of 7221 df-om 7391 df-1st 7494 df-2nd 7495 df-tpos 7688 df-undef 7735 df-wrecs 7743 df-recs 7805 df-rdg 7843 df-1o 7897 df-oadd 7901 df-er 8081 df-map 8200 df-en 8299 df-dom 8300 df-sdom 8301 df-fin 8302 df-pnf 10468 df-mnf 10469 df-xr 10470 df-ltxr 10471 df-le 10472 df-sub 10664 df-neg 10665 df-nn 11432 df-2 11496 df-3 11497 df-4 11498 df-5 11499 df-6 11500 df-n0 11701 df-z 11787 df-uz 12052 df-fz 12702 df-struct 16331 df-ndx 16332 df-slot 16333 df-base 16335 df-sets 16336 df-ress 16337 df-plusg 16424 df-mulr 16425 df-sca 16427 df-vsca 16428 df-0g 16561 df-mre 16705 df-mrc 16706 df-acs 16708 df-proset 17386 df-poset 17404 df-plt 17416 df-lub 17432 df-glb 17433 df-join 17434 df-meet 17435 df-p0 17497 df-p1 17498 df-lat 17504 df-clat 17566 df-mgm 17700 df-sgrp 17742 df-mnd 17753 df-submnd 17794 df-grp 17884 df-minusg 17885 df-sbg 17886 df-subg 18050 df-cntz 18208 df-oppg 18235 df-lsm 18512 df-cmn 18658 df-abl 18659 df-mgp 18953 df-ur 18965 df-ring 19012 df-oppr 19086 df-dvdsr 19104 df-unit 19105 df-invr 19135 df-dvr 19146 df-drng 19217 df-lmod 19348 df-lss 19416 df-lsp 19456 df-lvec 19587 df-lsatoms 35505 df-lshyp 35506 df-lcv 35548 df-lfl 35587 df-lkr 35615 df-ldual 35653 df-oposet 35705 df-ol 35707 df-oml 35708 df-covers 35795 df-ats 35796 df-atl 35827 df-cvlat 35851 df-hlat 35880 df-llines 36027 df-lplanes 36028 df-lvols 36029 df-lines 36030 df-psubsp 36032 df-pmap 36033 df-padd 36325 df-lhyp 36517 df-laut 36518 df-ldil 36633 df-ltrn 36634 df-trl 36688 df-tgrp 37272 df-tendo 37284 df-edring 37286 df-dveca 37532 df-disoa 37558 df-dvech 37608 df-dib 37668 df-dic 37702 df-dih 37758 df-doch 37877 df-djh 37924 df-lcdual 38116 df-mapd 38154

This theorem is referenced by: mapdh8j 38316

W3C validator