Users' Mathboxes Mathbox for Scott Fenton < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  funtransport Structured version   Visualization version   GIF version

Theorem funtransport 34616
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 3217 . . . . . 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 1136 . . . . . . . . . . 11 ((𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ 𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ∧ (1st𝑞) ≠ (2nd𝑞)) → 𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)))
3 simp1 1136 . . . . . . . . . . 11 ((𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ 𝑞 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) ∧ (1st𝑞) ≠ (2nd𝑞)) → 𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)))
42, 3anim12i 613 . . . . . . . . . 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 615 . . . . . . . . 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 658 . . . . . . . 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 7953 . . . . . . . . . 10 (𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) → (1st𝑝) ∈ (𝔼‘𝑛))
8 xp1st 7953 . . . . . . . . . 10 (𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚)) → (1st𝑝) ∈ (𝔼‘𝑚))
9 axdimuniq 27862 . . . . . . . . . . . . 13 (((𝑛 ∈ ℕ ∧ (1st𝑝) ∈ (𝔼‘𝑛)) ∧ (𝑚 ∈ ℕ ∧ (1st𝑝) ∈ (𝔼‘𝑚))) → 𝑛 = 𝑚)
10 fveq2 6842 . . . . . . . . . . . . . . . . 17 (𝑛 = 𝑚 → (𝔼‘𝑛) = (𝔼‘𝑚))
1110riotaeqdv 7314 . . . . . . . . . . . . . . . 16 (𝑛 = 𝑚 → (𝑟 ∈ (𝔼‘𝑛)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)) = (𝑟 ∈ (𝔼‘𝑚)((2nd𝑞) Btwn ⟨(1st𝑞), 𝑟⟩ ∧ ⟨(2nd𝑞), 𝑟⟩Cgr𝑝)))
1211eqeq2d 2747 . . . . . . . . . . . . . . 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 629 . . . . . . . . . . . . . 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 2762 . . . . . . . . . . . . . 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 253 . . . . . . . . . . . . 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 658 . . . . . . . . . . 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 413 . . . . . . . . . 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 607 . . . . . . . . 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 411 . . . . . . . 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 3196 . . . . . 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 234 . . . . 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 2740 . . . . . . . 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 629 . . . . . . 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 3175 . . . . . 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 5665 . . . . . . . . . 10 (𝑛 = 𝑚 → ((𝔼‘𝑛) × (𝔼‘𝑛)) = ((𝔼‘𝑚) × (𝔼‘𝑚)))
2928eleq2d 2823 . . . . . . . . 9 (𝑛 = 𝑚 → (𝑝 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ↔ 𝑝 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚))))
3028eleq2d 2823 . . . . . . . . 9 (𝑛 = 𝑚 → (𝑞 ∈ ((𝔼‘𝑛) × (𝔼‘𝑛)) ↔ 𝑞 ∈ ((𝔼‘𝑚) × (𝔼‘𝑚))))
3129, 303anbi12d 1437 . . . . . . . 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 631 . . . . . . 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 3226 . . . . . 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 286 . . . . 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 2564 . . . 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 230 . . 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 7478 . 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 34615 . . 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 6522 . 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 230 1 Fun TransportTo
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 396  w3a 1087  wal 1539   = wceq 1541  wcel 2106  ∃*wmo 2536  wne 2943  wrex 3073  cop 4592   class class class wbr 5105   × cxp 5631  Fun wfun 6490  cfv 6496  crio 7312  {coprab 7358  1st c1st 7919  2nd c2nd 7920  cn 12153  𝔼cee 27837   Btwn cbtwn 27838  Cgrccgr 27839  TransportToctransport 34614
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 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-10 2137  ax-11 2154  ax-12 2171  ax-ext 2707  ax-sep 5256  ax-nul 5263  ax-pow 5320  ax-pr 5384  ax-un 7672  ax-cnex 11107  ax-resscn 11108  ax-1cn 11109  ax-icn 11110  ax-addcl 11111  ax-addrcl 11112  ax-mulcl 11113  ax-mulrcl 11114  ax-mulcom 11115  ax-addass 11116  ax-mulass 11117  ax-distr 11118  ax-i2m1 11119  ax-1ne0 11120  ax-1rid 11121  ax-rnegex 11122  ax-rrecex 11123  ax-cnre 11124  ax-pre-lttri 11125  ax-pre-lttrn 11126  ax-pre-ltadd 11127  ax-pre-mulgt0 11128
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 846  df-3or 1088  df-3an 1089  df-tru 1544  df-fal 1554  df-ex 1782  df-nf 1786  df-sb 2068  df-mo 2538  df-eu 2567  df-clab 2714  df-cleq 2728  df-clel 2814  df-nfc 2889  df-ne 2944  df-nel 3050  df-ral 3065  df-rex 3074  df-reu 3354  df-rab 3408  df-v 3447  df-sbc 3740  df-csb 3856  df-dif 3913  df-un 3915  df-in 3917  df-ss 3927  df-pss 3929  df-nul 4283  df-if 4487  df-pw 4562  df-sn 4587  df-pr 4589  df-op 4593  df-uni 4866  df-iun 4956  df-br 5106  df-opab 5168  df-mpt 5189  df-tr 5223  df-id 5531  df-eprel 5537  df-po 5545  df-so 5546  df-fr 5588  df-we 5590  df-xp 5639  df-rel 5640  df-cnv 5641  df-co 5642  df-dm 5643  df-rn 5644  df-res 5645  df-ima 5646  df-pred 6253  df-ord 6320  df-on 6321  df-lim 6322  df-suc 6323  df-iota 6448  df-fun 6498  df-fn 6499  df-f 6500  df-f1 6501  df-fo 6502  df-f1o 6503  df-fv 6504  df-riota 7313  df-ov 7360  df-oprab 7361  df-mpo 7362  df-om 7803  df-1st 7921  df-2nd 7922  df-frecs 8212  df-wrecs 8243  df-recs 8317  df-rdg 8356  df-er 8648  df-map 8767  df-en 8884  df-dom 8885  df-sdom 8886  df-pnf 11191  df-mnf 11192  df-xr 11193  df-ltxr 11194  df-le 11195  df-sub 11387  df-neg 11388  df-nn 12154  df-z 12500  df-uz 12764  df-fz 13425  df-ee 27840  df-transport 34615
This theorem is referenced by:  fvtransport  34617
  Copyright terms: Public domain W3C validator