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Theorem lcfl7N 36270
 Description: Property of a functional with a closed kernel. Every nonzero functional is determined by a unique nonzero vector. Note that (𝐿‘𝐺) = 𝑉 means the functional is zero by lkr0f 33861. (Contributed by NM, 4-Jan-2015.) (New usage is discouraged.)
Hypotheses
Ref Expression
lcfl6.h 𝐻 = (LHyp‘𝐾)
lcfl6.o = ((ocH‘𝐾)‘𝑊)
lcfl6.u 𝑈 = ((DVecH‘𝐾)‘𝑊)
lcfl6.v 𝑉 = (Base‘𝑈)
lcfl6.a + = (+g𝑈)
lcfl6.t · = ( ·𝑠𝑈)
lcfl6.s 𝑆 = (Scalar‘𝑈)
lcfl6.r 𝑅 = (Base‘𝑆)
lcfl6.z 0 = (0g𝑈)
lcfl6.f 𝐹 = (LFnl‘𝑈)
lcfl6.l 𝐿 = (LKer‘𝑈)
lcfl6.c 𝐶 = {𝑓𝐹 ∣ ( ‘( ‘(𝐿𝑓))) = (𝐿𝑓)}
lcfl6.k (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))
lcfl6.g (𝜑𝐺𝐹)
Assertion
Ref Expression
lcfl7N (𝜑 → (𝐺𝐶 ↔ ((𝐿𝐺) = 𝑉 ∨ ∃!𝑥 ∈ (𝑉 ∖ { 0 })𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))))))
Distinct variable groups:   𝑣,𝑘,𝑤, +   𝑓,𝑘,𝑣,𝑤,𝑥,   𝑤, 0 ,𝑥   𝑥,𝐶   𝑓,𝐺,𝑥   𝑓,𝐹   𝑓,𝐿,𝑥   𝜑,𝑥   𝑅,𝑘,𝑣   𝑆,𝑘,𝑤,𝑥   𝑣,𝑉,𝑥   𝑥,𝑈   · ,𝑘,𝑣,𝑤   𝑥, +   𝑥,𝑅   𝑥, ·
Allowed substitution hints:   𝜑(𝑤,𝑣,𝑓,𝑘)   𝐶(𝑤,𝑣,𝑓,𝑘)   + (𝑓)   𝑅(𝑤,𝑓)   𝑆(𝑣,𝑓)   · (𝑓)   𝑈(𝑤,𝑣,𝑓,𝑘)   𝐹(𝑥,𝑤,𝑣,𝑘)   𝐺(𝑤,𝑣,𝑘)   𝐻(𝑥,𝑤,𝑣,𝑓,𝑘)   𝐾(𝑥,𝑤,𝑣,𝑓,𝑘)   𝐿(𝑤,𝑣,𝑘)   𝑉(𝑤,𝑓,𝑘)   𝑊(𝑥,𝑤,𝑣,𝑓,𝑘)   0 (𝑣,𝑓,𝑘)

Proof of Theorem lcfl7N
Dummy variables 𝑙 𝑢 𝑦 𝑧 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 lcfl6.h . . 3 𝐻 = (LHyp‘𝐾)
2 lcfl6.o . . 3 = ((ocH‘𝐾)‘𝑊)
3 lcfl6.u . . 3 𝑈 = ((DVecH‘𝐾)‘𝑊)
4 lcfl6.v . . 3 𝑉 = (Base‘𝑈)
5 lcfl6.a . . 3 + = (+g𝑈)
6 lcfl6.t . . 3 · = ( ·𝑠𝑈)
7 lcfl6.s . . 3 𝑆 = (Scalar‘𝑈)
8 lcfl6.r . . 3 𝑅 = (Base‘𝑆)
9 lcfl6.z . . 3 0 = (0g𝑈)
10 lcfl6.f . . 3 𝐹 = (LFnl‘𝑈)
11 lcfl6.l . . 3 𝐿 = (LKer‘𝑈)
12 lcfl6.c . . 3 𝐶 = {𝑓𝐹 ∣ ( ‘( ‘(𝐿𝑓))) = (𝐿𝑓)}
13 lcfl6.k . . 3 (𝜑 → (𝐾 ∈ HL ∧ 𝑊𝐻))
14 lcfl6.g . . 3 (𝜑𝐺𝐹)
151, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14lcfl6 36269 . 2 (𝜑 → (𝐺𝐶 ↔ ((𝐿𝐺) = 𝑉 ∨ ∃𝑥 ∈ (𝑉 ∖ { 0 })𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))))))
1613ad2antrr 761 . . . . . . . . . 10 (((𝜑 ∧ (𝑥 ∈ (𝑉 ∖ { 0 }) ∧ 𝑦 ∈ (𝑉 ∖ { 0 }))) ∧ (𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) ∧ 𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦)))))) → (𝐾 ∈ HL ∧ 𝑊𝐻))
17 eqid 2621 . . . . . . . . . 10 (𝑢𝑉 ↦ (𝑙𝑅𝑧 ∈ ( ‘{𝑥})𝑢 = (𝑧 + (𝑙 · 𝑥)))) = (𝑢𝑉 ↦ (𝑙𝑅𝑧 ∈ ( ‘{𝑥})𝑢 = (𝑧 + (𝑙 · 𝑥))))
18 eqid 2621 . . . . . . . . . 10 (𝑢𝑉 ↦ (𝑙𝑅𝑧 ∈ ( ‘{𝑦})𝑢 = (𝑧 + (𝑙 · 𝑦)))) = (𝑢𝑉 ↦ (𝑙𝑅𝑧 ∈ ( ‘{𝑦})𝑢 = (𝑧 + (𝑙 · 𝑦))))
19 simplrl 799 . . . . . . . . . 10 (((𝜑 ∧ (𝑥 ∈ (𝑉 ∖ { 0 }) ∧ 𝑦 ∈ (𝑉 ∖ { 0 }))) ∧ (𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) ∧ 𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦)))))) → 𝑥 ∈ (𝑉 ∖ { 0 }))
20 simplrr 800 . . . . . . . . . 10 (((𝜑 ∧ (𝑥 ∈ (𝑉 ∖ { 0 }) ∧ 𝑦 ∈ (𝑉 ∖ { 0 }))) ∧ (𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) ∧ 𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦)))))) → 𝑦 ∈ (𝑉 ∖ { 0 }))
21 simprl 793 . . . . . . . . . . . 12 (((𝜑 ∧ (𝑥 ∈ (𝑉 ∖ { 0 }) ∧ 𝑦 ∈ (𝑉 ∖ { 0 }))) ∧ (𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) ∧ 𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦)))))) → 𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))))
22 eqeq1 2625 . . . . . . . . . . . . . . . 16 (𝑣 = 𝑢 → (𝑣 = (𝑤 + (𝑘 · 𝑥)) ↔ 𝑢 = (𝑤 + (𝑘 · 𝑥))))
2322rexbidv 3045 . . . . . . . . . . . . . . 15 (𝑣 = 𝑢 → (∃𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)) ↔ ∃𝑤 ∈ ( ‘{𝑥})𝑢 = (𝑤 + (𝑘 · 𝑥))))
2423riotabidv 6567 . . . . . . . . . . . . . 14 (𝑣 = 𝑢 → (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥))) = (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑢 = (𝑤 + (𝑘 · 𝑥))))
25 oveq1 6611 . . . . . . . . . . . . . . . . . . 19 (𝑘 = 𝑙 → (𝑘 · 𝑥) = (𝑙 · 𝑥))
2625oveq2d 6620 . . . . . . . . . . . . . . . . . 18 (𝑘 = 𝑙 → (𝑤 + (𝑘 · 𝑥)) = (𝑤 + (𝑙 · 𝑥)))
2726eqeq2d 2631 . . . . . . . . . . . . . . . . 17 (𝑘 = 𝑙 → (𝑢 = (𝑤 + (𝑘 · 𝑥)) ↔ 𝑢 = (𝑤 + (𝑙 · 𝑥))))
2827rexbidv 3045 . . . . . . . . . . . . . . . 16 (𝑘 = 𝑙 → (∃𝑤 ∈ ( ‘{𝑥})𝑢 = (𝑤 + (𝑘 · 𝑥)) ↔ ∃𝑤 ∈ ( ‘{𝑥})𝑢 = (𝑤 + (𝑙 · 𝑥))))
29 oveq1 6611 . . . . . . . . . . . . . . . . . 18 (𝑤 = 𝑧 → (𝑤 + (𝑙 · 𝑥)) = (𝑧 + (𝑙 · 𝑥)))
3029eqeq2d 2631 . . . . . . . . . . . . . . . . 17 (𝑤 = 𝑧 → (𝑢 = (𝑤 + (𝑙 · 𝑥)) ↔ 𝑢 = (𝑧 + (𝑙 · 𝑥))))
3130cbvrexv 3160 . . . . . . . . . . . . . . . 16 (∃𝑤 ∈ ( ‘{𝑥})𝑢 = (𝑤 + (𝑙 · 𝑥)) ↔ ∃𝑧 ∈ ( ‘{𝑥})𝑢 = (𝑧 + (𝑙 · 𝑥)))
3228, 31syl6bb 276 . . . . . . . . . . . . . . 15 (𝑘 = 𝑙 → (∃𝑤 ∈ ( ‘{𝑥})𝑢 = (𝑤 + (𝑘 · 𝑥)) ↔ ∃𝑧 ∈ ( ‘{𝑥})𝑢 = (𝑧 + (𝑙 · 𝑥))))
3332cbvriotav 6576 . . . . . . . . . . . . . 14 (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑢 = (𝑤 + (𝑘 · 𝑥))) = (𝑙𝑅𝑧 ∈ ( ‘{𝑥})𝑢 = (𝑧 + (𝑙 · 𝑥)))
3424, 33syl6eq 2671 . . . . . . . . . . . . 13 (𝑣 = 𝑢 → (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥))) = (𝑙𝑅𝑧 ∈ ( ‘{𝑥})𝑢 = (𝑧 + (𝑙 · 𝑥))))
3534cbvmptv 4710 . . . . . . . . . . . 12 (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) = (𝑢𝑉 ↦ (𝑙𝑅𝑧 ∈ ( ‘{𝑥})𝑢 = (𝑧 + (𝑙 · 𝑥))))
3621, 35syl6eq 2671 . . . . . . . . . . 11 (((𝜑 ∧ (𝑥 ∈ (𝑉 ∖ { 0 }) ∧ 𝑦 ∈ (𝑉 ∖ { 0 }))) ∧ (𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) ∧ 𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦)))))) → 𝐺 = (𝑢𝑉 ↦ (𝑙𝑅𝑧 ∈ ( ‘{𝑥})𝑢 = (𝑧 + (𝑙 · 𝑥)))))
37 simprr 795 . . . . . . . . . . . 12 (((𝜑 ∧ (𝑥 ∈ (𝑉 ∖ { 0 }) ∧ 𝑦 ∈ (𝑉 ∖ { 0 }))) ∧ (𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) ∧ 𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦)))))) → 𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦)))))
38 eqeq1 2625 . . . . . . . . . . . . . . . 16 (𝑣 = 𝑢 → (𝑣 = (𝑤 + (𝑘 · 𝑦)) ↔ 𝑢 = (𝑤 + (𝑘 · 𝑦))))
3938rexbidv 3045 . . . . . . . . . . . . . . 15 (𝑣 = 𝑢 → (∃𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦)) ↔ ∃𝑤 ∈ ( ‘{𝑦})𝑢 = (𝑤 + (𝑘 · 𝑦))))
4039riotabidv 6567 . . . . . . . . . . . . . 14 (𝑣 = 𝑢 → (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦))) = (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑢 = (𝑤 + (𝑘 · 𝑦))))
41 oveq1 6611 . . . . . . . . . . . . . . . . . . 19 (𝑘 = 𝑙 → (𝑘 · 𝑦) = (𝑙 · 𝑦))
4241oveq2d 6620 . . . . . . . . . . . . . . . . . 18 (𝑘 = 𝑙 → (𝑤 + (𝑘 · 𝑦)) = (𝑤 + (𝑙 · 𝑦)))
4342eqeq2d 2631 . . . . . . . . . . . . . . . . 17 (𝑘 = 𝑙 → (𝑢 = (𝑤 + (𝑘 · 𝑦)) ↔ 𝑢 = (𝑤 + (𝑙 · 𝑦))))
4443rexbidv 3045 . . . . . . . . . . . . . . . 16 (𝑘 = 𝑙 → (∃𝑤 ∈ ( ‘{𝑦})𝑢 = (𝑤 + (𝑘 · 𝑦)) ↔ ∃𝑤 ∈ ( ‘{𝑦})𝑢 = (𝑤 + (𝑙 · 𝑦))))
45 oveq1 6611 . . . . . . . . . . . . . . . . . 18 (𝑤 = 𝑧 → (𝑤 + (𝑙 · 𝑦)) = (𝑧 + (𝑙 · 𝑦)))
4645eqeq2d 2631 . . . . . . . . . . . . . . . . 17 (𝑤 = 𝑧 → (𝑢 = (𝑤 + (𝑙 · 𝑦)) ↔ 𝑢 = (𝑧 + (𝑙 · 𝑦))))
4746cbvrexv 3160 . . . . . . . . . . . . . . . 16 (∃𝑤 ∈ ( ‘{𝑦})𝑢 = (𝑤 + (𝑙 · 𝑦)) ↔ ∃𝑧 ∈ ( ‘{𝑦})𝑢 = (𝑧 + (𝑙 · 𝑦)))
4844, 47syl6bb 276 . . . . . . . . . . . . . . 15 (𝑘 = 𝑙 → (∃𝑤 ∈ ( ‘{𝑦})𝑢 = (𝑤 + (𝑘 · 𝑦)) ↔ ∃𝑧 ∈ ( ‘{𝑦})𝑢 = (𝑧 + (𝑙 · 𝑦))))
4948cbvriotav 6576 . . . . . . . . . . . . . 14 (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑢 = (𝑤 + (𝑘 · 𝑦))) = (𝑙𝑅𝑧 ∈ ( ‘{𝑦})𝑢 = (𝑧 + (𝑙 · 𝑦)))
5040, 49syl6eq 2671 . . . . . . . . . . . . 13 (𝑣 = 𝑢 → (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦))) = (𝑙𝑅𝑧 ∈ ( ‘{𝑦})𝑢 = (𝑧 + (𝑙 · 𝑦))))
5150cbvmptv 4710 . . . . . . . . . . . 12 (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦)))) = (𝑢𝑉 ↦ (𝑙𝑅𝑧 ∈ ( ‘{𝑦})𝑢 = (𝑧 + (𝑙 · 𝑦))))
5237, 51syl6eq 2671 . . . . . . . . . . 11 (((𝜑 ∧ (𝑥 ∈ (𝑉 ∖ { 0 }) ∧ 𝑦 ∈ (𝑉 ∖ { 0 }))) ∧ (𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) ∧ 𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦)))))) → 𝐺 = (𝑢𝑉 ↦ (𝑙𝑅𝑧 ∈ ( ‘{𝑦})𝑢 = (𝑧 + (𝑙 · 𝑦)))))
5336, 52eqtr3d 2657 . . . . . . . . . 10 (((𝜑 ∧ (𝑥 ∈ (𝑉 ∖ { 0 }) ∧ 𝑦 ∈ (𝑉 ∖ { 0 }))) ∧ (𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) ∧ 𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦)))))) → (𝑢𝑉 ↦ (𝑙𝑅𝑧 ∈ ( ‘{𝑥})𝑢 = (𝑧 + (𝑙 · 𝑥)))) = (𝑢𝑉 ↦ (𝑙𝑅𝑧 ∈ ( ‘{𝑦})𝑢 = (𝑧 + (𝑙 · 𝑦)))))
541, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 16, 17, 18, 19, 20, 53lcfl7lem 36268 . . . . . . . . 9 (((𝜑 ∧ (𝑥 ∈ (𝑉 ∖ { 0 }) ∧ 𝑦 ∈ (𝑉 ∖ { 0 }))) ∧ (𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) ∧ 𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦)))))) → 𝑥 = 𝑦)
5554ex 450 . . . . . . . 8 ((𝜑 ∧ (𝑥 ∈ (𝑉 ∖ { 0 }) ∧ 𝑦 ∈ (𝑉 ∖ { 0 }))) → ((𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) ∧ 𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦))))) → 𝑥 = 𝑦))
5655ralrimivva 2965 . . . . . . 7 (𝜑 → ∀𝑥 ∈ (𝑉 ∖ { 0 })∀𝑦 ∈ (𝑉 ∖ { 0 })((𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) ∧ 𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦))))) → 𝑥 = 𝑦))
5756a1d 25 . . . . . 6 (𝜑 → (∃𝑥 ∈ (𝑉 ∖ { 0 })𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) → ∀𝑥 ∈ (𝑉 ∖ { 0 })∀𝑦 ∈ (𝑉 ∖ { 0 })((𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) ∧ 𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦))))) → 𝑥 = 𝑦)))
5857ancld 575 . . . . 5 (𝜑 → (∃𝑥 ∈ (𝑉 ∖ { 0 })𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) → (∃𝑥 ∈ (𝑉 ∖ { 0 })𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) ∧ ∀𝑥 ∈ (𝑉 ∖ { 0 })∀𝑦 ∈ (𝑉 ∖ { 0 })((𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) ∧ 𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦))))) → 𝑥 = 𝑦))))
59 sneq 4158 . . . . . . . . . . 11 (𝑥 = 𝑦 → {𝑥} = {𝑦})
6059fveq2d 6152 . . . . . . . . . 10 (𝑥 = 𝑦 → ( ‘{𝑥}) = ( ‘{𝑦}))
61 oveq2 6612 . . . . . . . . . . . 12 (𝑥 = 𝑦 → (𝑘 · 𝑥) = (𝑘 · 𝑦))
6261oveq2d 6620 . . . . . . . . . . 11 (𝑥 = 𝑦 → (𝑤 + (𝑘 · 𝑥)) = (𝑤 + (𝑘 · 𝑦)))
6362eqeq2d 2631 . . . . . . . . . 10 (𝑥 = 𝑦 → (𝑣 = (𝑤 + (𝑘 · 𝑥)) ↔ 𝑣 = (𝑤 + (𝑘 · 𝑦))))
6460, 63rexeqbidv 3142 . . . . . . . . 9 (𝑥 = 𝑦 → (∃𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)) ↔ ∃𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦))))
6564riotabidv 6567 . . . . . . . 8 (𝑥 = 𝑦 → (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥))) = (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦))))
6665mpteq2dv 4705 . . . . . . 7 (𝑥 = 𝑦 → (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦)))))
6766eqeq2d 2631 . . . . . 6 (𝑥 = 𝑦 → (𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) ↔ 𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦))))))
6867reu4 3382 . . . . 5 (∃!𝑥 ∈ (𝑉 ∖ { 0 })𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) ↔ (∃𝑥 ∈ (𝑉 ∖ { 0 })𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) ∧ ∀𝑥 ∈ (𝑉 ∖ { 0 })∀𝑦 ∈ (𝑉 ∖ { 0 })((𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) ∧ 𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑦})𝑣 = (𝑤 + (𝑘 · 𝑦))))) → 𝑥 = 𝑦)))
6958, 68syl6ibr 242 . . . 4 (𝜑 → (∃𝑥 ∈ (𝑉 ∖ { 0 })𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) → ∃!𝑥 ∈ (𝑉 ∖ { 0 })𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥))))))
70 reurex 3149 . . . 4 (∃!𝑥 ∈ (𝑉 ∖ { 0 })𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) → ∃𝑥 ∈ (𝑉 ∖ { 0 })𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))))
7169, 70impbid1 215 . . 3 (𝜑 → (∃𝑥 ∈ (𝑉 ∖ { 0 })𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))) ↔ ∃!𝑥 ∈ (𝑉 ∖ { 0 })𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥))))))
7271orbi2d 737 . 2 (𝜑 → (((𝐿𝐺) = 𝑉 ∨ ∃𝑥 ∈ (𝑉 ∖ { 0 })𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥))))) ↔ ((𝐿𝐺) = 𝑉 ∨ ∃!𝑥 ∈ (𝑉 ∖ { 0 })𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))))))
7315, 72bitrd 268 1 (𝜑 → (𝐺𝐶 ↔ ((𝐿𝐺) = 𝑉 ∨ ∃!𝑥 ∈ (𝑉 ∖ { 0 })𝐺 = (𝑣𝑉 ↦ (𝑘𝑅𝑤 ∈ ( ‘{𝑥})𝑣 = (𝑤 + (𝑘 · 𝑥)))))))
 Colors of variables: wff setvar class Syntax hints:   → wi 4   ↔ wb 196   ∨ wo 383   ∧ wa 384   = wceq 1480   ∈ wcel 1987  ∀wral 2907  ∃wrex 2908  ∃!wreu 2909  {crab 2911   ∖ cdif 3552  {csn 4148   ↦ cmpt 4673  ‘cfv 5847  ℩crio 6564  (class class class)co 6604  Basecbs 15781  +gcplusg 15862  Scalarcsca 15865   ·𝑠 cvsca 15866  0gc0g 16021  LFnlclfn 33824  LKerclk 33852  HLchlt 34117  LHypclh 34750  DVecHcdvh 35847  ocHcoch 36116 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1719  ax-4 1734  ax-5 1836  ax-6 1885  ax-7 1932  ax-8 1989  ax-9 1996  ax-10 2016  ax-11 2031  ax-12 2044  ax-13 2245  ax-ext 2601  ax-rep 4731  ax-sep 4741  ax-nul 4749  ax-pow 4803  ax-pr 4867  ax-un 6902  ax-cnex 9936  ax-resscn 9937  ax-1cn 9938  ax-icn 9939  ax-addcl 9940  ax-addrcl 9941  ax-mulcl 9942  ax-mulrcl 9943  ax-mulcom 9944  ax-addass 9945  ax-mulass 9946  ax-distr 9947  ax-i2m1 9948  ax-1ne0 9949  ax-1rid 9950  ax-rnegex 9951  ax-rrecex 9952  ax-cnre 9953  ax-pre-lttri 9954  ax-pre-lttrn 9955  ax-pre-ltadd 9956  ax-pre-mulgt0 9957  ax-riotaBAD 33719 This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3or 1037  df-3an 1038  df-tru 1483  df-fal 1486  df-ex 1702  df-nf 1707  df-sb 1878  df-eu 2473  df-mo 2474  df-clab 2608  df-cleq 2614  df-clel 2617  df-nfc 2750  df-ne 2791  df-nel 2894  df-ral 2912  df-rex 2913  df-reu 2914  df-rmo 2915  df-rab 2916  df-v 3188  df-sbc 3418  df-csb 3515  df-dif 3558  df-un 3560  df-in 3562  df-ss 3569  df-pss 3571  df-nul 3892  df-if 4059  df-pw 4132  df-sn 4149  df-pr 4151  df-tp 4153  df-op 4155  df-uni 4403  df-int 4441  df-iun 4487  df-iin 4488  df-br 4614  df-opab 4674  df-mpt 4675  df-tr 4713  df-eprel 4985  df-id 4989  df-po 4995  df-so 4996  df-fr 5033  df-we 5035  df-xp 5080  df-rel 5081  df-cnv 5082  df-co 5083  df-dm 5084  df-rn 5085  df-res 5086  df-ima 5087  df-pred 5639  df-ord 5685  df-on 5686  df-lim 5687  df-suc 5688  df-iota 5810  df-fun 5849  df-fn 5850  df-f 5851  df-f1 5852  df-fo 5853  df-f1o 5854  df-fv 5855  df-riota 6565  df-ov 6607  df-oprab 6608  df-mpt2 6609  df-om 7013  df-1st 7113  df-2nd 7114  df-tpos 7297  df-undef 7344  df-wrecs 7352  df-recs 7413  df-rdg 7451  df-1o 7505  df-oadd 7509  df-er 7687  df-map 7804  df-en 7900  df-dom 7901  df-sdom 7902  df-fin 7903  df-pnf 10020  df-mnf 10021  df-xr 10022  df-ltxr 10023  df-le 10024  df-sub 10212  df-neg 10213  df-nn 10965  df-2 11023  df-3 11024  df-4 11025  df-5 11026  df-6 11027  df-n0 11237  df-z 11322  df-uz 11632  df-fz 12269  df-struct 15783  df-ndx 15784  df-slot 15785  df-base 15786  df-sets 15787  df-ress 15788  df-plusg 15875  df-mulr 15876  df-sca 15878  df-vsca 15879  df-0g 16023  df-preset 16849  df-poset 16867  df-plt 16879  df-lub 16895  df-glb 16896  df-join 16897  df-meet 16898  df-p0 16960  df-p1 16961  df-lat 16967  df-clat 17029  df-mgm 17163  df-sgrp 17205  df-mnd 17216  df-submnd 17257  df-grp 17346  df-minusg 17347  df-sbg 17348  df-subg 17512  df-cntz 17671  df-lsm 17972  df-cmn 18116  df-abl 18117  df-mgp 18411  df-ur 18423  df-ring 18470  df-oppr 18544  df-dvdsr 18562  df-unit 18563  df-invr 18593  df-dvr 18604  df-drng 18670  df-lmod 18786  df-lss 18852  df-lsp 18891  df-lvec 19022  df-lsatoms 33743  df-lshyp 33744  df-lfl 33825  df-lkr 33853  df-oposet 33943  df-ol 33945  df-oml 33946  df-covers 34033  df-ats 34034  df-atl 34065  df-cvlat 34089  df-hlat 34118  df-llines 34264  df-lplanes 34265  df-lvols 34266  df-lines 34267  df-psubsp 34269  df-pmap 34270  df-padd 34562  df-lhyp 34754  df-laut 34755  df-ldil 34870  df-ltrn 34871  df-trl 34926  df-tgrp 35511  df-tendo 35523  df-edring 35525  df-dveca 35771  df-disoa 35798  df-dvech 35848  df-dib 35908  df-dic 35942  df-dih 35998  df-doch 36117  df-djh 36164 This theorem is referenced by: (None)
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