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Theorem ellines 32613
Description: Membership in the set of all lines. (Contributed by Scott Fenton, 28-Oct-2013.) (Revised by Mario Carneiro, 19-Apr-2014.)
Assertion
Ref Expression
ellines (𝐴 ∈ LinesEE ↔ ∃𝑛 ∈ ℕ ∃𝑝 ∈ (𝔼‘𝑛)∃𝑞 ∈ (𝔼‘𝑛)(𝑝𝑞𝐴 = (𝑝Line𝑞)))
Distinct variable group:   𝐴,𝑛,𝑝,𝑞

Proof of Theorem ellines
Dummy variable 𝑥 is distinct from all other variables.
StepHypRef Expression
1 elex 3369 . 2 (𝐴 ∈ LinesEE → 𝐴 ∈ V)
2 ovex 6844 . . . . . . 7 (𝑝Line𝑞) ∈ V
3 eleq1 2841 . . . . . . 7 (𝐴 = (𝑝Line𝑞) → (𝐴 ∈ V ↔ (𝑝Line𝑞) ∈ V))
42, 3mpbiri 249 . . . . . 6 (𝐴 = (𝑝Line𝑞) → 𝐴 ∈ V)
54adantl 468 . . . . 5 ((𝑝𝑞𝐴 = (𝑝Line𝑞)) → 𝐴 ∈ V)
65rexlimivw 3181 . . . 4 (∃𝑞 ∈ (𝔼‘𝑛)(𝑝𝑞𝐴 = (𝑝Line𝑞)) → 𝐴 ∈ V)
76a1i 11 . . 3 ((𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛)) → (∃𝑞 ∈ (𝔼‘𝑛)(𝑝𝑞𝐴 = (𝑝Line𝑞)) → 𝐴 ∈ V))
87rexlimivv 3188 . 2 (∃𝑛 ∈ ℕ ∃𝑝 ∈ (𝔼‘𝑛)∃𝑞 ∈ (𝔼‘𝑛)(𝑝𝑞𝐴 = (𝑝Line𝑞)) → 𝐴 ∈ V)
9 eleq1 2841 . . 3 (𝑥 = 𝐴 → (𝑥 ∈ LinesEE ↔ 𝐴 ∈ LinesEE))
10 eqeq1 2778 . . . . . 6 (𝑥 = 𝐴 → (𝑥 = (𝑝Line𝑞) ↔ 𝐴 = (𝑝Line𝑞)))
1110anbi2d 615 . . . . 5 (𝑥 = 𝐴 → ((𝑝𝑞𝑥 = (𝑝Line𝑞)) ↔ (𝑝𝑞𝐴 = (𝑝Line𝑞))))
1211rexbidv 3204 . . . 4 (𝑥 = 𝐴 → (∃𝑞 ∈ (𝔼‘𝑛)(𝑝𝑞𝑥 = (𝑝Line𝑞)) ↔ ∃𝑞 ∈ (𝔼‘𝑛)(𝑝𝑞𝐴 = (𝑝Line𝑞))))
13122rexbidv 3209 . . 3 (𝑥 = 𝐴 → (∃𝑛 ∈ ℕ ∃𝑝 ∈ (𝔼‘𝑛)∃𝑞 ∈ (𝔼‘𝑛)(𝑝𝑞𝑥 = (𝑝Line𝑞)) ↔ ∃𝑛 ∈ ℕ ∃𝑝 ∈ (𝔼‘𝑛)∃𝑞 ∈ (𝔼‘𝑛)(𝑝𝑞𝐴 = (𝑝Line𝑞))))
14 df-lines2 32600 . . . . . 6 LinesEE = ran Line
15 df-line2 32598 . . . . . . 7 Line = {⟨⟨𝑝, 𝑞⟩, 𝑥⟩ ∣ ∃𝑛 ∈ ℕ ((𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞) ∧ 𝑥 = [⟨𝑝, 𝑞⟩] Colinear )}
1615rneqi 5502 . . . . . 6 ran Line = ran {⟨⟨𝑝, 𝑞⟩, 𝑥⟩ ∣ ∃𝑛 ∈ ℕ ((𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞) ∧ 𝑥 = [⟨𝑝, 𝑞⟩] Colinear )}
17 rnoprab 6911 . . . . . 6 ran {⟨⟨𝑝, 𝑞⟩, 𝑥⟩ ∣ ∃𝑛 ∈ ℕ ((𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞) ∧ 𝑥 = [⟨𝑝, 𝑞⟩] Colinear )} = {𝑥 ∣ ∃𝑝𝑞𝑛 ∈ ℕ ((𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞) ∧ 𝑥 = [⟨𝑝, 𝑞⟩] Colinear )}
1814, 16, 173eqtri 2800 . . . . 5 LinesEE = {𝑥 ∣ ∃𝑝𝑞𝑛 ∈ ℕ ((𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞) ∧ 𝑥 = [⟨𝑝, 𝑞⟩] Colinear )}
1918eleq2i 2845 . . . 4 (𝑥 ∈ LinesEE ↔ 𝑥 ∈ {𝑥 ∣ ∃𝑝𝑞𝑛 ∈ ℕ ((𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞) ∧ 𝑥 = [⟨𝑝, 𝑞⟩] Colinear )})
20 abid 2762 . . . . 5 (𝑥 ∈ {𝑥 ∣ ∃𝑝𝑞𝑛 ∈ ℕ ((𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞) ∧ 𝑥 = [⟨𝑝, 𝑞⟩] Colinear )} ↔ ∃𝑝𝑞𝑛 ∈ ℕ ((𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞) ∧ 𝑥 = [⟨𝑝, 𝑞⟩] Colinear ))
21 df-rex 3070 . . . . . . 7 (∃𝑛 ∈ ℕ ((𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞) ∧ 𝑥 = [⟨𝑝, 𝑞⟩] Colinear ) ↔ ∃𝑛(𝑛 ∈ ℕ ∧ ((𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞) ∧ 𝑥 = [⟨𝑝, 𝑞⟩] Colinear )))
22212exbii 1928 . . . . . 6 (∃𝑝𝑞𝑛 ∈ ℕ ((𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞) ∧ 𝑥 = [⟨𝑝, 𝑞⟩] Colinear ) ↔ ∃𝑝𝑞𝑛(𝑛 ∈ ℕ ∧ ((𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞) ∧ 𝑥 = [⟨𝑝, 𝑞⟩] Colinear )))
23 exrot3 2204 . . . . . . 7 (∃𝑛𝑝𝑞(𝑞 ∈ (𝔼‘𝑛) ∧ ((𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛)) ∧ (𝑝𝑞𝑥 = (𝑝Line𝑞)))) ↔ ∃𝑝𝑞𝑛(𝑞 ∈ (𝔼‘𝑛) ∧ ((𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛)) ∧ (𝑝𝑞𝑥 = (𝑝Line𝑞)))))
24 r2ex 3213 . . . . . . . 8 (∃𝑛 ∈ ℕ ∃𝑝 ∈ (𝔼‘𝑛)∃𝑞 ∈ (𝔼‘𝑛)(𝑝𝑞𝑥 = (𝑝Line𝑞)) ↔ ∃𝑛𝑝((𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛)) ∧ ∃𝑞 ∈ (𝔼‘𝑛)(𝑝𝑞𝑥 = (𝑝Line𝑞))))
25 r19.42v 3244 . . . . . . . . . 10 (∃𝑞 ∈ (𝔼‘𝑛)((𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛)) ∧ (𝑝𝑞𝑥 = (𝑝Line𝑞))) ↔ ((𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛)) ∧ ∃𝑞 ∈ (𝔼‘𝑛)(𝑝𝑞𝑥 = (𝑝Line𝑞))))
26 df-rex 3070 . . . . . . . . . 10 (∃𝑞 ∈ (𝔼‘𝑛)((𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛)) ∧ (𝑝𝑞𝑥 = (𝑝Line𝑞))) ↔ ∃𝑞(𝑞 ∈ (𝔼‘𝑛) ∧ ((𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛)) ∧ (𝑝𝑞𝑥 = (𝑝Line𝑞)))))
2725, 26bitr3i 267 . . . . . . . . 9 (((𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛)) ∧ ∃𝑞 ∈ (𝔼‘𝑛)(𝑝𝑞𝑥 = (𝑝Line𝑞))) ↔ ∃𝑞(𝑞 ∈ (𝔼‘𝑛) ∧ ((𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛)) ∧ (𝑝𝑞𝑥 = (𝑝Line𝑞)))))
28272exbii 1928 . . . . . . . 8 (∃𝑛𝑝((𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛)) ∧ ∃𝑞 ∈ (𝔼‘𝑛)(𝑝𝑞𝑥 = (𝑝Line𝑞))) ↔ ∃𝑛𝑝𝑞(𝑞 ∈ (𝔼‘𝑛) ∧ ((𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛)) ∧ (𝑝𝑞𝑥 = (𝑝Line𝑞)))))
2924, 28bitri 265 . . . . . . 7 (∃𝑛 ∈ ℕ ∃𝑝 ∈ (𝔼‘𝑛)∃𝑞 ∈ (𝔼‘𝑛)(𝑝𝑞𝑥 = (𝑝Line𝑞)) ↔ ∃𝑛𝑝𝑞(𝑞 ∈ (𝔼‘𝑛) ∧ ((𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛)) ∧ (𝑝𝑞𝑥 = (𝑝Line𝑞)))))
30 anass 455 . . . . . . . . . 10 (((𝑞 ∈ (𝔼‘𝑛) ∧ (𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛))) ∧ (𝑝𝑞𝑥 = (𝑝Line𝑞))) ↔ (𝑞 ∈ (𝔼‘𝑛) ∧ ((𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛)) ∧ (𝑝𝑞𝑥 = (𝑝Line𝑞)))))
31 anass 455 . . . . . . . . . . 11 ((((𝑞 ∈ (𝔼‘𝑛) ∧ (𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛))) ∧ 𝑝𝑞) ∧ 𝑥 = (𝑝Line𝑞)) ↔ ((𝑞 ∈ (𝔼‘𝑛) ∧ (𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛))) ∧ (𝑝𝑞𝑥 = (𝑝Line𝑞))))
32 simplrl 784 . . . . . . . . . . . . . 14 (((𝑞 ∈ (𝔼‘𝑛) ∧ (𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛))) ∧ 𝑝𝑞) → 𝑛 ∈ ℕ)
33 simplrr 785 . . . . . . . . . . . . . . 15 (((𝑞 ∈ (𝔼‘𝑛) ∧ (𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛))) ∧ 𝑝𝑞) → 𝑝 ∈ (𝔼‘𝑛))
34 simpll 772 . . . . . . . . . . . . . . 15 (((𝑞 ∈ (𝔼‘𝑛) ∧ (𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛))) ∧ 𝑝𝑞) → 𝑞 ∈ (𝔼‘𝑛))
35 simpr 472 . . . . . . . . . . . . . . 15 (((𝑞 ∈ (𝔼‘𝑛) ∧ (𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛))) ∧ 𝑝𝑞) → 𝑝𝑞)
3633, 34, 353jca 1149 . . . . . . . . . . . . . 14 (((𝑞 ∈ (𝔼‘𝑛) ∧ (𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛))) ∧ 𝑝𝑞) → (𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞))
3732, 36jca 502 . . . . . . . . . . . . 13 (((𝑞 ∈ (𝔼‘𝑛) ∧ (𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛))) ∧ 𝑝𝑞) → (𝑛 ∈ ℕ ∧ (𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞)))
38 simpr2 1241 . . . . . . . . . . . . . . 15 ((𝑛 ∈ ℕ ∧ (𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞)) → 𝑞 ∈ (𝔼‘𝑛))
39 simpl 469 . . . . . . . . . . . . . . 15 ((𝑛 ∈ ℕ ∧ (𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞)) → 𝑛 ∈ ℕ)
40 simpr1 1239 . . . . . . . . . . . . . . 15 ((𝑛 ∈ ℕ ∧ (𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞)) → 𝑝 ∈ (𝔼‘𝑛))
4138, 39, 40jca32 506 . . . . . . . . . . . . . 14 ((𝑛 ∈ ℕ ∧ (𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞)) → (𝑞 ∈ (𝔼‘𝑛) ∧ (𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛))))
42 simpr3 1243 . . . . . . . . . . . . . 14 ((𝑛 ∈ ℕ ∧ (𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞)) → 𝑝𝑞)
4341, 42jca 502 . . . . . . . . . . . . 13 ((𝑛 ∈ ℕ ∧ (𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞)) → ((𝑞 ∈ (𝔼‘𝑛) ∧ (𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛))) ∧ 𝑝𝑞))
4437, 43impbii 200 . . . . . . . . . . . 12 (((𝑞 ∈ (𝔼‘𝑛) ∧ (𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛))) ∧ 𝑝𝑞) ↔ (𝑛 ∈ ℕ ∧ (𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞)))
4544anbi1i 611 . . . . . . . . . . 11 ((((𝑞 ∈ (𝔼‘𝑛) ∧ (𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛))) ∧ 𝑝𝑞) ∧ 𝑥 = (𝑝Line𝑞)) ↔ ((𝑛 ∈ ℕ ∧ (𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞)) ∧ 𝑥 = (𝑝Line𝑞)))
4631, 45bitr3i 267 . . . . . . . . . 10 (((𝑞 ∈ (𝔼‘𝑛) ∧ (𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛))) ∧ (𝑝𝑞𝑥 = (𝑝Line𝑞))) ↔ ((𝑛 ∈ ℕ ∧ (𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞)) ∧ 𝑥 = (𝑝Line𝑞)))
4730, 46bitr3i 267 . . . . . . . . 9 ((𝑞 ∈ (𝔼‘𝑛) ∧ ((𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛)) ∧ (𝑝𝑞𝑥 = (𝑝Line𝑞)))) ↔ ((𝑛 ∈ ℕ ∧ (𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞)) ∧ 𝑥 = (𝑝Line𝑞)))
48 fvline 32605 . . . . . . . . . . . 12 ((𝑛 ∈ ℕ ∧ (𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞)) → (𝑝Line𝑞) = {𝑥𝑥 Colinear ⟨𝑝, 𝑞⟩})
49 opex 5074 . . . . . . . . . . . . . 14 𝑝, 𝑞⟩ ∈ V
50 dfec2 7920 . . . . . . . . . . . . . 14 (⟨𝑝, 𝑞⟩ ∈ V → [⟨𝑝, 𝑞⟩] Colinear = {𝑥 ∣ ⟨𝑝, 𝑞 Colinear 𝑥})
5149, 50ax-mp 5 . . . . . . . . . . . . 13 [⟨𝑝, 𝑞⟩] Colinear = {𝑥 ∣ ⟨𝑝, 𝑞 Colinear 𝑥}
52 vex 3358 . . . . . . . . . . . . . . 15 𝑥 ∈ V
5349, 52brcnv 5455 . . . . . . . . . . . . . 14 (⟨𝑝, 𝑞 Colinear 𝑥𝑥 Colinear ⟨𝑝, 𝑞⟩)
5453abbii 2891 . . . . . . . . . . . . 13 {𝑥 ∣ ⟨𝑝, 𝑞 Colinear 𝑥} = {𝑥𝑥 Colinear ⟨𝑝, 𝑞⟩}
5551, 54eqtri 2796 . . . . . . . . . . . 12 [⟨𝑝, 𝑞⟩] Colinear = {𝑥𝑥 Colinear ⟨𝑝, 𝑞⟩}
5648, 55syl6eqr 2826 . . . . . . . . . . 11 ((𝑛 ∈ ℕ ∧ (𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞)) → (𝑝Line𝑞) = [⟨𝑝, 𝑞⟩] Colinear )
5756eqeq2d 2784 . . . . . . . . . 10 ((𝑛 ∈ ℕ ∧ (𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞)) → (𝑥 = (𝑝Line𝑞) ↔ 𝑥 = [⟨𝑝, 𝑞⟩] Colinear ))
5857pm5.32i 565 . . . . . . . . 9 (((𝑛 ∈ ℕ ∧ (𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞)) ∧ 𝑥 = (𝑝Line𝑞)) ↔ ((𝑛 ∈ ℕ ∧ (𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞)) ∧ 𝑥 = [⟨𝑝, 𝑞⟩] Colinear ))
59 anass 455 . . . . . . . . 9 (((𝑛 ∈ ℕ ∧ (𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞)) ∧ 𝑥 = [⟨𝑝, 𝑞⟩] Colinear ) ↔ (𝑛 ∈ ℕ ∧ ((𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞) ∧ 𝑥 = [⟨𝑝, 𝑞⟩] Colinear )))
6047, 58, 593bitrri 288 . . . . . . . 8 ((𝑛 ∈ ℕ ∧ ((𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞) ∧ 𝑥 = [⟨𝑝, 𝑞⟩] Colinear )) ↔ (𝑞 ∈ (𝔼‘𝑛) ∧ ((𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛)) ∧ (𝑝𝑞𝑥 = (𝑝Line𝑞)))))
61603exbii 1929 . . . . . . 7 (∃𝑝𝑞𝑛(𝑛 ∈ ℕ ∧ ((𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞) ∧ 𝑥 = [⟨𝑝, 𝑞⟩] Colinear )) ↔ ∃𝑝𝑞𝑛(𝑞 ∈ (𝔼‘𝑛) ∧ ((𝑛 ∈ ℕ ∧ 𝑝 ∈ (𝔼‘𝑛)) ∧ (𝑝𝑞𝑥 = (𝑝Line𝑞)))))
6223, 29, 613bitr4ri 294 . . . . . 6 (∃𝑝𝑞𝑛(𝑛 ∈ ℕ ∧ ((𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞) ∧ 𝑥 = [⟨𝑝, 𝑞⟩] Colinear )) ↔ ∃𝑛 ∈ ℕ ∃𝑝 ∈ (𝔼‘𝑛)∃𝑞 ∈ (𝔼‘𝑛)(𝑝𝑞𝑥 = (𝑝Line𝑞)))
6322, 62bitri 265 . . . . 5 (∃𝑝𝑞𝑛 ∈ ℕ ((𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞) ∧ 𝑥 = [⟨𝑝, 𝑞⟩] Colinear ) ↔ ∃𝑛 ∈ ℕ ∃𝑝 ∈ (𝔼‘𝑛)∃𝑞 ∈ (𝔼‘𝑛)(𝑝𝑞𝑥 = (𝑝Line𝑞)))
6420, 63bitri 265 . . . 4 (𝑥 ∈ {𝑥 ∣ ∃𝑝𝑞𝑛 ∈ ℕ ((𝑝 ∈ (𝔼‘𝑛) ∧ 𝑞 ∈ (𝔼‘𝑛) ∧ 𝑝𝑞) ∧ 𝑥 = [⟨𝑝, 𝑞⟩] Colinear )} ↔ ∃𝑛 ∈ ℕ ∃𝑝 ∈ (𝔼‘𝑛)∃𝑞 ∈ (𝔼‘𝑛)(𝑝𝑞𝑥 = (𝑝Line𝑞)))
6519, 64bitri 265 . . 3 (𝑥 ∈ LinesEE ↔ ∃𝑛 ∈ ℕ ∃𝑝 ∈ (𝔼‘𝑛)∃𝑞 ∈ (𝔼‘𝑛)(𝑝𝑞𝑥 = (𝑝Line𝑞)))
669, 13, 65vtoclbg 3423 . 2 (𝐴 ∈ V → (𝐴 ∈ LinesEE ↔ ∃𝑛 ∈ ℕ ∃𝑝 ∈ (𝔼‘𝑛)∃𝑞 ∈ (𝔼‘𝑛)(𝑝𝑞𝐴 = (𝑝Line𝑞))))
671, 8, 66pm5.21nii 368 1 (𝐴 ∈ LinesEE ↔ ∃𝑛 ∈ ℕ ∃𝑝 ∈ (𝔼‘𝑛)∃𝑞 ∈ (𝔼‘𝑛)(𝑝𝑞𝐴 = (𝑝Line𝑞)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 197  wa 383  w3a 1098   = wceq 1634  wex 1855  wcel 2148  {cab 2760  wne 2946  wrex 3065  Vcvv 3355  cop 4332   class class class wbr 4797  ccnv 5262  ran crn 5264  cfv 6042  (class class class)co 6812  {coprab 6813  [cec 7915  cn 11243  𝔼cee 26010   Colinear ccolin 32498  Linecline2 32595  LinesEEclines2 32597
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1873  ax-4 1888  ax-5 1994  ax-6 2060  ax-7 2096  ax-8 2150  ax-9 2157  ax-10 2177  ax-11 2193  ax-12 2206  ax-13 2411  ax-ext 2754  ax-rep 4917  ax-sep 4928  ax-nul 4936  ax-pow 4988  ax-pr 5048  ax-un 7117  ax-cnex 10215  ax-resscn 10216  ax-1cn 10217  ax-icn 10218  ax-addcl 10219  ax-addrcl 10220  ax-mulcl 10221  ax-mulrcl 10222  ax-i2m1 10227  ax-1ne0 10228  ax-rrecex 10231  ax-cnre 10232
This theorem depends on definitions:  df-bi 198  df-an 384  df-or 864  df-3or 1099  df-3an 1100  df-tru 1637  df-ex 1856  df-nf 1861  df-sb 2053  df-eu 2625  df-mo 2626  df-clab 2761  df-cleq 2767  df-clel 2770  df-nfc 2905  df-ne 2947  df-ral 3069  df-rex 3070  df-reu 3071  df-rab 3073  df-v 3357  df-sbc 3594  df-csb 3689  df-dif 3732  df-un 3734  df-in 3736  df-ss 3743  df-pss 3745  df-nul 4074  df-if 4236  df-pw 4309  df-sn 4327  df-pr 4329  df-tp 4331  df-op 4333  df-uni 4586  df-iun 4667  df-br 4798  df-opab 4860  df-mpt 4877  df-tr 4900  df-id 5171  df-eprel 5176  df-po 5184  df-so 5185  df-fr 5222  df-we 5224  df-xp 5269  df-rel 5270  df-cnv 5271  df-co 5272  df-dm 5273  df-rn 5274  df-res 5275  df-ima 5276  df-pred 5834  df-ord 5880  df-on 5881  df-lim 5882  df-suc 5883  df-iota 6005  df-fun 6044  df-fn 6045  df-f 6046  df-f1 6047  df-fo 6048  df-f1o 6049  df-fv 6050  df-ov 6815  df-oprab 6816  df-om 7234  df-wrecs 7580  df-recs 7642  df-rdg 7680  df-ec 7919  df-nn 11244  df-colinear 32500  df-line2 32598  df-lines2 32600
This theorem is referenced by:  linethru  32614  hilbert1.1  32615
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