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Theorem funtransport 33908
 Description: The TransportTo relationship is a function. (Contributed by Scott Fenton, 18-Oct-2013.) (Revised by Mario Carneiro, 19-Apr-2014.)
Assertion
Ref Expression
funtransport Fun TransportTo

Proof of Theorem funtransport
Dummy variables 𝑚 𝑛 𝑝 𝑞 𝑟 𝑥 𝑦 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 reeanv 3285 . . . . . 6 (∃𝑛 ∈ ℕ ∃𝑚 ∈ ℕ (((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))) ∧ ((𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ 𝑞 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))) ↔ (∃𝑛 ∈ ℕ ((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))) ∧ ∃𝑚 ∈ ℕ ((𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ 𝑞 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))))
2 simp1 1133 . . . . . . . . . . 11 ((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) → 𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)))
3 simp1 1133 . . . . . . . . . . 11 ((𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ 𝑞 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ (1st𝑞) ≠ (2nd𝑞)) → 𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)))
42, 3anim12i 615 . . . . . . . . . 10 (((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ (𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ 𝑞 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ (1st𝑞) ≠ (2nd𝑞))) → (𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚))))
54anim1i 617 . . . . . . . . 9 ((((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ (𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ 𝑞 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ (1st𝑞) ≠ (2nd𝑞))) ∧ (𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))) → ((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚))) ∧ (𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))))
65an4s 659 . . . . . . . 8 ((((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))) ∧ ((𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ 𝑞 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))) → ((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚))) ∧ (𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))))
7 xp1st 7730 . . . . . . . . . 10 (𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) → (1st𝑝) ∈ (𝔼‘𝑛))
8 xp1st 7730 . . . . . . . . . 10 (𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) → (1st𝑝) ∈ (𝔼‘𝑚))
9 axdimuniq 26811 . . . . . . . . . . . . 13 (((𝑛 ∈ ℕ ∧ (1st𝑝) ∈ (𝔼‘𝑛)) ∧ (𝑚 ∈ ℕ ∧ (1st𝑝) ∈ (𝔼‘𝑚))) → 𝑛 = 𝑚)
10 fveq2 6662 . . . . . . . . . . . . . . . . 17 (𝑛 = 𝑚 → (𝔼‘𝑛) = (𝔼‘𝑚))
1110riotaeqdv 7114 . . . . . . . . . . . . . . . 16 (𝑛 = 𝑚 → (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)) = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))
1211eqeq2d 2769 . . . . . . . . . . . . . . 15 (𝑛 = 𝑚 → (𝑦 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)) ↔ 𝑦 = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))))
1312anbi2d 631 . . . . . . . . . . . . . 14 (𝑛 = 𝑚 → ((𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))) ↔ (𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))))
14 eqtr3 2780 . . . . . . . . . . . . . 14 ((𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))) → 𝑥 = 𝑦)
1513, 14syl6bir 257 . . . . . . . . . . . . 13 (𝑛 = 𝑚 → ((𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))) → 𝑥 = 𝑦))
169, 15syl 17 . . . . . . . . . . . 12 (((𝑛 ∈ ℕ ∧ (1st𝑝) ∈ (𝔼‘𝑛)) ∧ (𝑚 ∈ ℕ ∧ (1st𝑝) ∈ (𝔼‘𝑚))) → ((𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))) → 𝑥 = 𝑦))
1716an4s 659 . . . . . . . . . . 11 (((𝑛 ∈ ℕ ∧ 𝑚 ∈ ℕ) ∧ ((1st𝑝) ∈ (𝔼‘𝑛) ∧ (1st𝑝) ∈ (𝔼‘𝑚))) → ((𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))) → 𝑥 = 𝑦))
1817ex 416 . . . . . . . . . 10 ((𝑛 ∈ ℕ ∧ 𝑚 ∈ ℕ) → (((1st𝑝) ∈ (𝔼‘𝑛) ∧ (1st𝑝) ∈ (𝔼‘𝑚)) → ((𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))) → 𝑥 = 𝑦)))
197, 8, 18syl2ani 609 . . . . . . . . 9 ((𝑛 ∈ ℕ ∧ 𝑚 ∈ ℕ) → ((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚))) → ((𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))) → 𝑥 = 𝑦)))
2019impd 414 . . . . . . . 8 ((𝑛 ∈ ℕ ∧ 𝑚 ∈ ℕ) → (((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚))) ∧ (𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))) → 𝑥 = 𝑦))
216, 20syl5 34 . . . . . . 7 ((𝑛 ∈ ℕ ∧ 𝑚 ∈ ℕ) → ((((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))) ∧ ((𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ 𝑞 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))) → 𝑥 = 𝑦))
2221rexlimivv 3216 . . . . . 6 (∃𝑛 ∈ ℕ ∃𝑚 ∈ ℕ (((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))) ∧ ((𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ 𝑞 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))) → 𝑥 = 𝑦)
231, 22sylbir 238 . . . . 5 ((∃𝑛 ∈ ℕ ((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))) ∧ ∃𝑚 ∈ ℕ ((𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ 𝑞 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))) → 𝑥 = 𝑦)
2423gen2 1798 . . . 4 𝑥𝑦((∃𝑛 ∈ ℕ ((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))) ∧ ∃𝑚 ∈ ℕ ((𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ 𝑞 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))) → 𝑥 = 𝑦)
25 eqeq1 2762 . . . . . . . 8 (𝑥 = 𝑦 → (𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)) ↔ 𝑦 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))))
2625anbi2d 631 . . . . . . 7 (𝑥 = 𝑦 → (((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))) ↔ ((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))))
2726rexbidv 3221 . . . . . 6 (𝑥 = 𝑦 → (∃𝑛 ∈ ℕ ((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))) ↔ ∃𝑛 ∈ ℕ ((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))))
2810sqxpeqd 5559 . . . . . . . . . 10 (𝑛 = 𝑚 → ((𝔼‘𝑛) × (𝔼‘𝑛)) = ((𝔼‘𝑚) × (𝔼‘𝑚)))
2928eleq2d 2837 . . . . . . . . 9 (𝑛 = 𝑚 → (𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ↔ 𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚))))
3028eleq2d 2837 . . . . . . . . 9 (𝑛 = 𝑚 → (𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ↔ 𝑞 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚))))
3129, 303anbi12d 1434 . . . . . . . 8 (𝑛 = 𝑚 → ((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ↔ (𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ 𝑞 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ (1st𝑞) ≠ (2nd𝑞))))
3231, 12anbi12d 633 . . . . . . 7 (𝑛 = 𝑚 → (((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))) ↔ ((𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ 𝑞 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))))
3332cbvrexvw 3362 . . . . . 6 (∃𝑛 ∈ ℕ ((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))) ↔ ∃𝑚 ∈ ℕ ((𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ 𝑞 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))))
3427, 33bitrdi 290 . . . . 5 (𝑥 = 𝑦 → (∃𝑛 ∈ ℕ ((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))) ↔ ∃𝑚 ∈ ℕ ((𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ 𝑞 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))))
3534mo4 2584 . . . 4 (∃*𝑥𝑛 ∈ ℕ ((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))) ↔ ∀𝑥𝑦((∃𝑛 ∈ ℕ ((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝))) ∧ ∃𝑚 ∈ ℕ ((𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ 𝑞 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑦 = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))) → 𝑥 = 𝑦))
3624, 35mpbir 234 . . 3 ∃*𝑥𝑛 ∈ ℕ ((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))
3736funoprab 7273 . 2 Fun {⟨⟨𝑝, 𝑞⟩, 𝑥⟩ ∣ ∃𝑛 ∈ ℕ ((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))}
38 df-transport 33907 . . 3 TransportTo = {⟨⟨𝑝, 𝑞⟩, 𝑥⟩ ∣ ∃𝑛 ∈ ℕ ((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))}
3938funeqi 6360 . 2 (Fun TransportTo ↔ Fun {⟨⟨𝑝, 𝑞⟩, 𝑥⟩ ∣ ∃𝑛 ∈ ℕ ((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) ∧ 𝑥 = (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))})
4037, 39mpbir 234 1 Fun TransportTo
 Colors of variables: wff setvar class Syntax hints:   → wi 4   ∧ wa 399   ∧ w3a 1084  ∀wal 1536   = wceq 1538   ∈ wcel 2111  ∃*wmo 2555   ≠ wne 2951  ∃wrex 3071  ⟨cop 4531   class class class wbr 5035   × cxp 5525  Fun wfun 6333  ‘cfv 6339  ℩crio 7112  {coprab 7156  1st c1st 7696  2nd c2nd 7697  ℕcn 11679  𝔼cee 26786   Btwn cbtwn 26787  Cgrccgr 26788  TransportToctransport 33906 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2113  ax-9 2121  ax-10 2142  ax-11 2158  ax-12 2175  ax-ext 2729  ax-sep 5172  ax-nul 5179  ax-pow 5237  ax-pr 5301  ax-un 7464  ax-cnex 10636  ax-resscn 10637  ax-1cn 10638  ax-icn 10639  ax-addcl 10640  ax-addrcl 10641  ax-mulcl 10642  ax-mulrcl 10643  ax-mulcom 10644  ax-addass 10645  ax-mulass 10646  ax-distr 10647  ax-i2m1 10648  ax-1ne0 10649  ax-1rid 10650  ax-rnegex 10651  ax-rrecex 10652  ax-cnre 10653  ax-pre-lttri 10654  ax-pre-lttrn 10655  ax-pre-ltadd 10656  ax-pre-mulgt0 10657 This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3or 1085  df-3an 1086  df-tru 1541  df-fal 1551  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2557  df-eu 2588  df-clab 2736  df-cleq 2750  df-clel 2830  df-nfc 2901  df-ne 2952  df-nel 3056  df-ral 3075  df-rex 3076  df-reu 3077  df-rab 3079  df-v 3411  df-sbc 3699  df-csb 3808  df-dif 3863  df-un 3865  df-in 3867  df-ss 3877  df-pss 3879  df-nul 4228  df-if 4424  df-pw 4499  df-sn 4526  df-pr 4528  df-tp 4530  df-op 4532  df-uni 4802  df-iun 4888  df-br 5036  df-opab 5098  df-mpt 5116  df-tr 5142  df-id 5433  df-eprel 5438  df-po 5446  df-so 5447  df-fr 5486  df-we 5488  df-xp 5533  df-rel 5534  df-cnv 5535  df-co 5536  df-dm 5537  df-rn 5538  df-res 5539  df-ima 5540  df-pred 6130  df-ord 6176  df-on 6177  df-lim 6178  df-suc 6179  df-iota 6298  df-fun 6341  df-fn 6342  df-f 6343  df-f1 6344  df-fo 6345  df-f1o 6346  df-fv 6347  df-riota 7113  df-ov 7158  df-oprab 7159  df-mpo 7160  df-om 7585  df-1st 7698  df-2nd 7699  df-wrecs 7962  df-recs 8023  df-rdg 8061  df-er 8304  df-map 8423  df-en 8533  df-dom 8534  df-sdom 8535  df-pnf 10720  df-mnf 10721  df-xr 10722  df-ltxr 10723  df-le 10724  df-sub 10915  df-neg 10916  df-nn 11680  df-z 12026  df-uz 12288  df-fz 12945  df-ee 26789  df-transport 33907 This theorem is referenced by:  fvtransport  33909
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