outsideofeq - Mathbox for Scott Fenton

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

Theorem outsideofeq 35649

Description: Uniqueness law for OutsideOf. Analogue of segconeq 35529. (Contributed by Scott Fenton, 24-Oct-2013.) (Revised by Mario Carneiro, 19-Apr-2014.)

**Assertion**
Ref	Expression
outsideofeq	⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → (((𝐴OutsideOf⟨𝑋, 𝑅⟩ ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐵, 𝐶⟩) ∧ (𝐴OutsideOf⟨𝑌, 𝑅⟩ ∧ ⟨𝐴, 𝑌⟩Cgr⟨𝐵, 𝐶⟩)) → 𝑋 = 𝑌))

**Proof of Theorem outsideofeq**
Step	Hyp	Ref	Expression
1		simp1 1134	. . . . 5 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → 𝑁 ∈ ℕ)
2		simp21 1204	. . . . 5 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → 𝐴 ∈ (𝔼‘𝑁))
3		simp32 1208	. . . . 5 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → 𝑋 ∈ (𝔼‘𝑁))
4		simp22 1205	. . . . 5 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → 𝑅 ∈ (𝔼‘𝑁))
5		broutsideof2 35641	. . . . 5 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁))) → (𝐴OutsideOf⟨𝑋, 𝑅⟩ ↔ (𝑋 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑋 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑋⟩))))
6	1, 2, 3, 4, 5	syl13anc 1370	. . . 4 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → (𝐴OutsideOf⟨𝑋, 𝑅⟩ ↔ (𝑋 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑋 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑋⟩))))
7	6	anbi1d 629	. . 3 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → ((𝐴OutsideOf⟨𝑋, 𝑅⟩ ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐵, 𝐶⟩) ↔ ((𝑋 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑋 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑋⟩)) ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐵, 𝐶⟩)))
8		simp33 1209	. . . . 5 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → 𝑌 ∈ (𝔼‘𝑁))
9		broutsideof2 35641	. . . . 5 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁))) → (𝐴OutsideOf⟨𝑌, 𝑅⟩ ↔ (𝑌 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑌 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑌⟩))))
10	1, 2, 8, 4, 9	syl13anc 1370	. . . 4 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → (𝐴OutsideOf⟨𝑌, 𝑅⟩ ↔ (𝑌 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑌 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑌⟩))))
11	10	anbi1d 629	. . 3 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → ((𝐴OutsideOf⟨𝑌, 𝑅⟩ ∧ ⟨𝐴, 𝑌⟩Cgr⟨𝐵, 𝐶⟩) ↔ ((𝑌 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑌 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑌⟩)) ∧ ⟨𝐴, 𝑌⟩Cgr⟨𝐵, 𝐶⟩)))
12	7, 11	anbi12d 630	. 2 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → (((𝐴OutsideOf⟨𝑋, 𝑅⟩ ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐵, 𝐶⟩) ∧ (𝐴OutsideOf⟨𝑌, 𝑅⟩ ∧ ⟨𝐴, 𝑌⟩Cgr⟨𝐵, 𝐶⟩)) ↔ (((𝑋 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑋 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑋⟩)) ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐵, 𝐶⟩) ∧ ((𝑌 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑌 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑌⟩)) ∧ ⟨𝐴, 𝑌⟩Cgr⟨𝐵, 𝐶⟩))))
13		simpll3 1212	. . . . . . 7 ⊢ ((((𝑋 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑋 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑋⟩)) ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐵, 𝐶⟩) ∧ ((𝑌 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑌 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑌⟩)) ∧ ⟨𝐴, 𝑌⟩Cgr⟨𝐵, 𝐶⟩)) → (𝑋 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑋⟩))
14		simprl3 1218	. . . . . . 7 ⊢ ((((𝑋 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑋 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑋⟩)) ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐵, 𝐶⟩) ∧ ((𝑌 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑌 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑌⟩)) ∧ ⟨𝐴, 𝑌⟩Cgr⟨𝐵, 𝐶⟩)) → (𝑌 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑌⟩))
15	13, 14	jca 511	. . . . . 6 ⊢ ((((𝑋 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑋 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑋⟩)) ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐵, 𝐶⟩) ∧ ((𝑌 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑌 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑌⟩)) ∧ ⟨𝐴, 𝑌⟩Cgr⟨𝐵, 𝐶⟩)) → ((𝑋 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑋⟩) ∧ (𝑌 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑌⟩)))
16	15	adantl 481	. . . . 5 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ (((𝑋 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑋 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑋⟩)) ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐵, 𝐶⟩) ∧ ((𝑌 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑌 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑌⟩)) ∧ ⟨𝐴, 𝑌⟩Cgr⟨𝐵, 𝐶⟩))) → ((𝑋 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑋⟩) ∧ (𝑌 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑌⟩)))
17		simpll2 1211	. . . . . 6 ⊢ ((((𝑋 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑋 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑋⟩)) ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐵, 𝐶⟩) ∧ ((𝑌 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑌 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑌⟩)) ∧ ⟨𝐴, 𝑌⟩Cgr⟨𝐵, 𝐶⟩)) → 𝑅 ≠ 𝐴)
18	17	adantl 481	. . . . 5 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ (((𝑋 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑋 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑋⟩)) ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐵, 𝐶⟩) ∧ ((𝑌 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑌 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑌⟩)) ∧ ⟨𝐴, 𝑌⟩Cgr⟨𝐵, 𝐶⟩))) → 𝑅 ≠ 𝐴)
19		simp23 1206	. . . . . 6 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → 𝐵 ∈ (𝔼‘𝑁))
20		simp31 1207	. . . . . 6 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → 𝐶 ∈ (𝔼‘𝑁))
21		simprlr 779	. . . . . 6 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ (((𝑋 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑋 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑋⟩)) ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐵, 𝐶⟩) ∧ ((𝑌 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑌 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑌⟩)) ∧ ⟨𝐴, 𝑌⟩Cgr⟨𝐵, 𝐶⟩))) → ⟨𝐴, 𝑋⟩Cgr⟨𝐵, 𝐶⟩)
22		simprrr 781	. . . . . 6 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ (((𝑋 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑋 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑋⟩)) ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐵, 𝐶⟩) ∧ ((𝑌 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑌 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑌⟩)) ∧ ⟨𝐴, 𝑌⟩Cgr⟨𝐵, 𝐶⟩))) → ⟨𝐴, 𝑌⟩Cgr⟨𝐵, 𝐶⟩)
23	1, 2, 3, 2, 8, 19, 20, 21, 22	cgrtr3and 35514	. . . . 5 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ (((𝑋 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑋 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑋⟩)) ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐵, 𝐶⟩) ∧ ((𝑌 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑌 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑌⟩)) ∧ ⟨𝐴, 𝑌⟩Cgr⟨𝐵, 𝐶⟩))) → ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩)
24	16, 18, 23	jca32 515	. . . 4 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ (((𝑋 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑋 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑋⟩)) ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐵, 𝐶⟩) ∧ ((𝑌 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑌 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑌⟩)) ∧ ⟨𝐴, 𝑌⟩Cgr⟨𝐵, 𝐶⟩))) → (((𝑋 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑋⟩) ∧ (𝑌 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑌⟩)) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩)))
25		simprll 778	. . . . . . . 8 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑋 Btwn ⟨𝐴, 𝑅⟩ ∧ 𝑌 Btwn ⟨𝐴, 𝑅⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → 𝑋 Btwn ⟨𝐴, 𝑅⟩)
26		simprlr 779	. . . . . . . 8 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑋 Btwn ⟨𝐴, 𝑅⟩ ∧ 𝑌 Btwn ⟨𝐴, 𝑅⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → 𝑌 Btwn ⟨𝐴, 𝑅⟩)
27		simprrr 781	. . . . . . . 8 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑋 Btwn ⟨𝐴, 𝑅⟩ ∧ 𝑌 Btwn ⟨𝐴, 𝑅⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩)
28		midofsegid 35623	. . . . . . . . . 10 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → ((𝑋 Btwn ⟨𝐴, 𝑅⟩ ∧ 𝑌 Btwn ⟨𝐴, 𝑅⟩ ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩) → 𝑋 = 𝑌))
29	1, 2, 4, 3, 8, 28	syl122anc 1377	. . . . . . . . 9 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → ((𝑋 Btwn ⟨𝐴, 𝑅⟩ ∧ 𝑌 Btwn ⟨𝐴, 𝑅⟩ ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩) → 𝑋 = 𝑌))
30	29	adantr 480	. . . . . . . 8 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑋 Btwn ⟨𝐴, 𝑅⟩ ∧ 𝑌 Btwn ⟨𝐴, 𝑅⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → ((𝑋 Btwn ⟨𝐴, 𝑅⟩ ∧ 𝑌 Btwn ⟨𝐴, 𝑅⟩ ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩) → 𝑋 = 𝑌))
31	25, 26, 27, 30	mp3and 1461	. . . . . . 7 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑋 Btwn ⟨𝐴, 𝑅⟩ ∧ 𝑌 Btwn ⟨𝐴, 𝑅⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → 𝑋 = 𝑌)
32	31	exp32 420	. . . . . 6 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → ((𝑋 Btwn ⟨𝐴, 𝑅⟩ ∧ 𝑌 Btwn ⟨𝐴, 𝑅⟩) → ((𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩) → 𝑋 = 𝑌)))
33		simprlr 779	. . . . . . . . 9 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑌 Btwn ⟨𝐴, 𝑅⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → 𝑌 Btwn ⟨𝐴, 𝑅⟩)
34		simprll 778	. . . . . . . . 9 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑌 Btwn ⟨𝐴, 𝑅⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → 𝑅 Btwn ⟨𝐴, 𝑋⟩)
35	1, 2, 8, 4, 3, 33, 34	btwnexchand 35545	. . . . . . . 8 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑌 Btwn ⟨𝐴, 𝑅⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → 𝑌 Btwn ⟨𝐴, 𝑋⟩)
36		simprrr 781	. . . . . . . 8 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑌 Btwn ⟨𝐴, 𝑅⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩)
37	1, 2, 3, 8, 35, 36	endofsegidand 35605	. . . . . . 7 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑌 Btwn ⟨𝐴, 𝑅⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → 𝑋 = 𝑌)
38	37	exp32 420	. . . . . 6 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → ((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑌 Btwn ⟨𝐴, 𝑅⟩) → ((𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩) → 𝑋 = 𝑌)))
39		simprll 778	. . . . . . . . . 10 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑋 Btwn ⟨𝐴, 𝑅⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → 𝑋 Btwn ⟨𝐴, 𝑅⟩)
40		simprlr 779	. . . . . . . . . 10 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑋 Btwn ⟨𝐴, 𝑅⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → 𝑅 Btwn ⟨𝐴, 𝑌⟩)
41	1, 2, 3, 4, 8, 39, 40	btwnexchand 35545	. . . . . . . . 9 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑋 Btwn ⟨𝐴, 𝑅⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → 𝑋 Btwn ⟨𝐴, 𝑌⟩)
42		simprrr 781	. . . . . . . . . 10 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑋 Btwn ⟨𝐴, 𝑅⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩)
43	1, 2, 3, 2, 8, 42	cgrcomand 35510	. . . . . . . . 9 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑋 Btwn ⟨𝐴, 𝑅⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → ⟨𝐴, 𝑌⟩Cgr⟨𝐴, 𝑋⟩)
44	1, 2, 8, 3, 41, 43	endofsegidand 35605	. . . . . . . 8 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑋 Btwn ⟨𝐴, 𝑅⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → 𝑌 = 𝑋)
45	44	eqcomd 2733	. . . . . . 7 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑋 Btwn ⟨𝐴, 𝑅⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → 𝑋 = 𝑌)
46	45	exp32 420	. . . . . 6 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → ((𝑋 Btwn ⟨𝐴, 𝑅⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) → ((𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩) → 𝑋 = 𝑌)))
47		simprr 772	. . . . . . . . . . 11 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ (((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩)) ∧ 𝑋 Btwn ⟨𝐴, 𝑌⟩)) → 𝑋 Btwn ⟨𝐴, 𝑌⟩)
48		simplrr 777	. . . . . . . . . . . . 13 ⊢ ((((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩)) ∧ 𝑋 Btwn ⟨𝐴, 𝑌⟩) → ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩)
49	48	adantl 481	. . . . . . . . . . . 12 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ (((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩)) ∧ 𝑋 Btwn ⟨𝐴, 𝑌⟩)) → ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩)
50	1, 2, 3, 2, 8, 49	cgrcomand 35510	. . . . . . . . . . 11 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ (((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩)) ∧ 𝑋 Btwn ⟨𝐴, 𝑌⟩)) → ⟨𝐴, 𝑌⟩Cgr⟨𝐴, 𝑋⟩)
51	1, 2, 8, 3, 47, 50	endofsegidand 35605	. . . . . . . . . 10 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ (((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩)) ∧ 𝑋 Btwn ⟨𝐴, 𝑌⟩)) → 𝑌 = 𝑋)
52	51	eqcomd 2733	. . . . . . . . 9 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ (((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩)) ∧ 𝑋 Btwn ⟨𝐴, 𝑌⟩)) → 𝑋 = 𝑌)
53	52	expr 456	. . . . . . . 8 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → (𝑋 Btwn ⟨𝐴, 𝑌⟩ → 𝑋 = 𝑌))
54		simprr 772	. . . . . . . . . 10 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ (((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩)) ∧ 𝑌 Btwn ⟨𝐴, 𝑋⟩)) → 𝑌 Btwn ⟨𝐴, 𝑋⟩)
55		simplrr 777	. . . . . . . . . . 11 ⊢ ((((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩)) ∧ 𝑌 Btwn ⟨𝐴, 𝑋⟩) → ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩)
56	55	adantl 481	. . . . . . . . . 10 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ (((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩)) ∧ 𝑌 Btwn ⟨𝐴, 𝑋⟩)) → ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩)
57	1, 2, 3, 8, 54, 56	endofsegidand 35605	. . . . . . . . 9 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ (((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩)) ∧ 𝑌 Btwn ⟨𝐴, 𝑋⟩)) → 𝑋 = 𝑌)
58	57	expr 456	. . . . . . . 8 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → (𝑌 Btwn ⟨𝐴, 𝑋⟩ → 𝑋 = 𝑌))
59		simprrl 780	. . . . . . . . . 10 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → 𝑅 ≠ 𝐴)
60	59	necomd 2991	. . . . . . . . 9 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → 𝐴 ≠ 𝑅)
61		simprll 778	. . . . . . . . 9 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → 𝑅 Btwn ⟨𝐴, 𝑋⟩)
62		simprlr 779	. . . . . . . . 9 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → 𝑅 Btwn ⟨𝐴, 𝑌⟩)
63		btwnconn1 35620	. . . . . . . . . . 11 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → ((𝐴 ≠ 𝑅 ∧ 𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) → (𝑋 Btwn ⟨𝐴, 𝑌⟩ ∨ 𝑌 Btwn ⟨𝐴, 𝑋⟩)))
64	1, 2, 4, 3, 8, 63	syl122anc 1377	. . . . . . . . . 10 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → ((𝐴 ≠ 𝑅 ∧ 𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) → (𝑋 Btwn ⟨𝐴, 𝑌⟩ ∨ 𝑌 Btwn ⟨𝐴, 𝑋⟩)))
65	64	adantr 480	. . . . . . . . 9 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → ((𝐴 ≠ 𝑅 ∧ 𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) → (𝑋 Btwn ⟨𝐴, 𝑌⟩ ∨ 𝑌 Btwn ⟨𝐴, 𝑋⟩)))
66	60, 61, 62, 65	mp3and 1461	. . . . . . . 8 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → (𝑋 Btwn ⟨𝐴, 𝑌⟩ ∨ 𝑌 Btwn ⟨𝐴, 𝑋⟩))
67	53, 58, 66	mpjaod 859	. . . . . . 7 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ ((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → 𝑋 = 𝑌)
68	67	exp32 420	. . . . . 6 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → ((𝑅 Btwn ⟨𝐴, 𝑋⟩ ∧ 𝑅 Btwn ⟨𝐴, 𝑌⟩) → ((𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩) → 𝑋 = 𝑌)))
69	32, 38, 46, 68	ccased 1037	. . . . 5 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → (((𝑋 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑋⟩) ∧ (𝑌 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑌⟩)) → ((𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩) → 𝑋 = 𝑌)))
70	69	imp32 418	. . . 4 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ (((𝑋 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑋⟩) ∧ (𝑌 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑌⟩)) ∧ (𝑅 ≠ 𝐴 ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐴, 𝑌⟩))) → 𝑋 = 𝑌)
71	24, 70	syldan 590	. . 3 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) ∧ (((𝑋 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑋 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑋⟩)) ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐵, 𝐶⟩) ∧ ((𝑌 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑌 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑌⟩)) ∧ ⟨𝐴, 𝑌⟩Cgr⟨𝐵, 𝐶⟩))) → 𝑋 = 𝑌)
72	71	ex 412	. 2 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → ((((𝑋 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑋 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑋⟩)) ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐵, 𝐶⟩) ∧ ((𝑌 ≠ 𝐴 ∧ 𝑅 ≠ 𝐴 ∧ (𝑌 Btwn ⟨𝐴, 𝑅⟩ ∨ 𝑅 Btwn ⟨𝐴, 𝑌⟩)) ∧ ⟨𝐴, 𝑌⟩Cgr⟨𝐵, 𝐶⟩)) → 𝑋 = 𝑌))
73	12, 72	sylbid 239	1 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑋 ∈ (𝔼‘𝑁) ∧ 𝑌 ∈ (𝔼‘𝑁))) → (((𝐴OutsideOf⟨𝑋, 𝑅⟩ ∧ ⟨𝐴, 𝑋⟩Cgr⟨𝐵, 𝐶⟩) ∧ (𝐴OutsideOf⟨𝑌, 𝑅⟩ ∧ ⟨𝐴, 𝑌⟩Cgr⟨𝐵, 𝐶⟩)) → 𝑋 = 𝑌))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 ∨ wo 846 ∧ w3a 1085 = wceq 1534 ∈ wcel 2099 ≠ wne 2935 ⟨cop 4630 class class class wbr 5142 ‘cfv 6542 ℕcn 12228 𝔼cee 28673 Btwn cbtwn 28674 Cgrccgr 28675 OutsideOfcoutsideof 35638

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1790 ax-4 1804 ax-5 1906 ax-6 1964 ax-7 2004 ax-8 2101 ax-9 2109 ax-10 2130 ax-11 2147 ax-12 2164 ax-ext 2698 ax-rep 5279 ax-sep 5293 ax-nul 5300 ax-pow 5359 ax-pr 5423 ax-un 7732 ax-inf2 9650 ax-cnex 11180 ax-resscn 11181 ax-1cn 11182 ax-icn 11183 ax-addcl 11184 ax-addrcl 11185 ax-mulcl 11186 ax-mulrcl 11187 ax-mulcom 11188 ax-addass 11189 ax-mulass 11190 ax-distr 11191 ax-i2m1 11192 ax-1ne0 11193 ax-1rid 11194 ax-rnegex 11195 ax-rrecex 11196 ax-cnre 11197 ax-pre-lttri 11198 ax-pre-lttrn 11199 ax-pre-ltadd 11200 ax-pre-mulgt0 11201 ax-pre-sup 11202

This theorem depends on definitions: df-bi 206 df-an 396 df-or 847 df-3or 1086 df-3an 1087 df-tru 1537 df-fal 1547 df-ex 1775 df-nf 1779 df-sb 2061 df-mo 2529 df-eu 2558 df-clab 2705 df-cleq 2719 df-clel 2805 df-nfc 2880 df-ne 2936 df-nel 3042 df-ral 3057 df-rex 3066 df-rmo 3371 df-reu 3372 df-rab 3428 df-v 3471 df-sbc 3775 df-csb 3890 df-dif 3947 df-un 3949 df-in 3951 df-ss 3961 df-pss 3963 df-nul 4319 df-if 4525 df-pw 4600 df-sn 4625 df-pr 4627 df-op 4631 df-uni 4904 df-int 4945 df-iun 4993 df-br 5143 df-opab 5205 df-mpt 5226 df-tr 5260 df-id 5570 df-eprel 5576 df-po 5584 df-so 5585 df-fr 5627 df-se 5628 df-we 5629 df-xp 5678 df-rel 5679 df-cnv 5680 df-co 5681 df-dm 5682 df-rn 5683 df-res 5684 df-ima 5685 df-pred 6299 df-ord 6366 df-on 6367 df-lim 6368 df-suc 6369 df-iota 6494 df-fun 6544 df-fn 6545 df-f 6546 df-f1 6547 df-fo 6548 df-f1o 6549 df-fv 6550 df-isom 6551 df-riota 7370 df-ov 7417 df-oprab 7418 df-mpo 7419 df-om 7863 df-1st 7985 df-2nd 7986 df-frecs 8278 df-wrecs 8309 df-recs 8383 df-rdg 8422 df-1o 8478 df-er 8716 df-map 8836 df-en 8954 df-dom 8955 df-sdom 8956 df-fin 8957 df-sup 9451 df-oi 9519 df-card 9948 df-pnf 11266 df-mnf 11267 df-xr 11268 df-ltxr 11269 df-le 11270 df-sub 11462 df-neg 11463 df-div 11888 df-nn 12229 df-2 12291 df-3 12292 df-n0 12489 df-z 12575 df-uz 12839 df-rp 12993 df-ico 13348 df-icc 13349 df-fz 13503 df-fzo 13646 df-seq 13985 df-exp 14045 df-hash 14308 df-cj 15064 df-re 15065 df-im 15066 df-sqrt 15200 df-abs 15201 df-clim 15450 df-sum 15651 df-ee 28676 df-btwn 28677 df-cgr 28678 df-ofs 35502 df-colinear 35558 df-ifs 35559 df-cgr3 35560 df-fs 35561 df-outsideof 35639

This theorem is referenced by: outsideofeu 35650 outsidele 35651

W3C validator