outsideoftr - Mathbox for Scott Fenton

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Theorem outsideoftr 35405

Description: Transitivity law for outsideness. Theorem 6.7 of [Schwabhauser] p. 44. (Contributed by Scott Fenton, 18-Oct-2013.) (Revised by Mario Carneiro, 19-Apr-2014.)

**Assertion**
Ref	Expression
outsideoftr	⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → ((𝑃OutsideOf⟨𝐴, 𝐵⟩ ∧ 𝑃OutsideOf⟨𝐵, 𝐶⟩) → 𝑃OutsideOf⟨𝐴, 𝐶⟩))

**Proof of Theorem outsideoftr**
Step	Hyp	Ref	Expression
1		simpll 763	. . . . 5 ⊢ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃) ∧ (𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃)) → 𝐴 ≠ 𝑃)
2		simplr 765	. . . . 5 ⊢ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃) ∧ (𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃)) → 𝐵 ≠ 𝑃)
3		simprr 769	. . . . 5 ⊢ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃) ∧ (𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃)) → 𝐶 ≠ 𝑃)
4	1, 2, 3	3jca 1126	. . . 4 ⊢ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃) ∧ (𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃)) → (𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃))
5		simplr1 1213	. . . . . 6 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ (𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃)) ∧ ((𝐴 Btwn ⟨𝑃, 𝐵⟩ ∨ 𝐵 Btwn ⟨𝑃, 𝐴⟩) ∧ (𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩))) → 𝐴 ≠ 𝑃)
6		simplr3 1215	. . . . . 6 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ (𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃)) ∧ ((𝐴 Btwn ⟨𝑃, 𝐵⟩ ∨ 𝐵 Btwn ⟨𝑃, 𝐴⟩) ∧ (𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩))) → 𝐶 ≠ 𝑃)
7		df-3an 1087	. . . . . . . . . . . 12 ⊢ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐴 Btwn ⟨𝑃, 𝐵⟩ ∧ 𝐵 Btwn ⟨𝑃, 𝐶⟩) ↔ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐴 Btwn ⟨𝑃, 𝐵⟩) ∧ 𝐵 Btwn ⟨𝑃, 𝐶⟩))
8		simp1 1134	. . . . . . . . . . . . . 14 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → 𝑁 ∈ ℕ)
9		simp3r 1200	. . . . . . . . . . . . . 14 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → 𝑃 ∈ (𝔼‘𝑁))
10		simp2l 1197	. . . . . . . . . . . . . 14 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → 𝐴 ∈ (𝔼‘𝑁))
11		simp2r 1198	. . . . . . . . . . . . . 14 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → 𝐵 ∈ (𝔼‘𝑁))
12		simp3l 1199	. . . . . . . . . . . . . 14 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → 𝐶 ∈ (𝔼‘𝑁))
13		simpr2 1193	. . . . . . . . . . . . . 14 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ ((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐴 Btwn ⟨𝑃, 𝐵⟩ ∧ 𝐵 Btwn ⟨𝑃, 𝐶⟩)) → 𝐴 Btwn ⟨𝑃, 𝐵⟩)
14		simpr3 1194	. . . . . . . . . . . . . 14 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ ((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐴 Btwn ⟨𝑃, 𝐵⟩ ∧ 𝐵 Btwn ⟨𝑃, 𝐶⟩)) → 𝐵 Btwn ⟨𝑃, 𝐶⟩)
15	8, 9, 10, 11, 12, 13, 14	btwnexchand 35302	. . . . . . . . . . . . 13 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ ((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐴 Btwn ⟨𝑃, 𝐵⟩ ∧ 𝐵 Btwn ⟨𝑃, 𝐶⟩)) → 𝐴 Btwn ⟨𝑃, 𝐶⟩)
16	15	orcd 869	. . . . . . . . . . . 12 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ ((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐴 Btwn ⟨𝑃, 𝐵⟩ ∧ 𝐵 Btwn ⟨𝑃, 𝐶⟩)) → (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩))
17	7, 16	sylan2br 593	. . . . . . . . . . 11 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐴 Btwn ⟨𝑃, 𝐵⟩) ∧ 𝐵 Btwn ⟨𝑃, 𝐶⟩)) → (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩))
18	17	expr 455	. . . . . . . . . 10 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ ((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐴 Btwn ⟨𝑃, 𝐵⟩)) → (𝐵 Btwn ⟨𝑃, 𝐶⟩ → (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩)))
19		simprlr 776	. . . . . . . . . . . 12 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐴 Btwn ⟨𝑃, 𝐵⟩) ∧ 𝐶 Btwn ⟨𝑃, 𝐵⟩)) → 𝐴 Btwn ⟨𝑃, 𝐵⟩)
20		simprr 769	. . . . . . . . . . . 12 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐴 Btwn ⟨𝑃, 𝐵⟩) ∧ 𝐶 Btwn ⟨𝑃, 𝐵⟩)) → 𝐶 Btwn ⟨𝑃, 𝐵⟩)
21		btwnconn3 35379	. . . . . . . . . . . . . 14 ⊢ ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝐴 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁))) → ((𝐴 Btwn ⟨𝑃, 𝐵⟩ ∧ 𝐶 Btwn ⟨𝑃, 𝐵⟩) → (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩)))
22	8, 9, 10, 12, 11, 21	syl122anc 1377	. . . . . . . . . . . . 13 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → ((𝐴 Btwn ⟨𝑃, 𝐵⟩ ∧ 𝐶 Btwn ⟨𝑃, 𝐵⟩) → (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩)))
23	22	adantr 479	. . . . . . . . . . . 12 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐴 Btwn ⟨𝑃, 𝐵⟩) ∧ 𝐶 Btwn ⟨𝑃, 𝐵⟩)) → ((𝐴 Btwn ⟨𝑃, 𝐵⟩ ∧ 𝐶 Btwn ⟨𝑃, 𝐵⟩) → (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩)))
24	19, 20, 23	mp2and 695	. . . . . . . . . . 11 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐴 Btwn ⟨𝑃, 𝐵⟩) ∧ 𝐶 Btwn ⟨𝑃, 𝐵⟩)) → (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩))
25	24	expr 455	. . . . . . . . . 10 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ ((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐴 Btwn ⟨𝑃, 𝐵⟩)) → (𝐶 Btwn ⟨𝑃, 𝐵⟩ → (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩)))
26	18, 25	jaod 855	. . . . . . . . 9 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ ((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐴 Btwn ⟨𝑃, 𝐵⟩)) → ((𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩) → (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩)))
27	26	expr 455	. . . . . . . 8 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ (𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃)) → (𝐴 Btwn ⟨𝑃, 𝐵⟩ → ((𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩) → (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩))))
28		simpll2 1211	. . . . . . . . . . . . . 14 ⊢ ((((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐵 Btwn ⟨𝑃, 𝐴⟩) ∧ 𝐵 Btwn ⟨𝑃, 𝐶⟩) → 𝐵 ≠ 𝑃)
29	28	adantl 480	. . . . . . . . . . . . 13 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐵 Btwn ⟨𝑃, 𝐴⟩) ∧ 𝐵 Btwn ⟨𝑃, 𝐶⟩)) → 𝐵 ≠ 𝑃)
30	29	necomd 2994	. . . . . . . . . . . 12 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐵 Btwn ⟨𝑃, 𝐴⟩) ∧ 𝐵 Btwn ⟨𝑃, 𝐶⟩)) → 𝑃 ≠ 𝐵)
31		simprlr 776	. . . . . . . . . . . 12 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐵 Btwn ⟨𝑃, 𝐴⟩) ∧ 𝐵 Btwn ⟨𝑃, 𝐶⟩)) → 𝐵 Btwn ⟨𝑃, 𝐴⟩)
32		simprr 769	. . . . . . . . . . . 12 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐵 Btwn ⟨𝑃, 𝐴⟩) ∧ 𝐵 Btwn ⟨𝑃, 𝐶⟩)) → 𝐵 Btwn ⟨𝑃, 𝐶⟩)
33		btwnconn1 35377	. . . . . . . . . . . . . 14 ⊢ ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁))) → ((𝑃 ≠ 𝐵 ∧ 𝐵 Btwn ⟨𝑃, 𝐴⟩ ∧ 𝐵 Btwn ⟨𝑃, 𝐶⟩) → (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩)))
34	8, 9, 11, 10, 12, 33	syl122anc 1377	. . . . . . . . . . . . 13 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → ((𝑃 ≠ 𝐵 ∧ 𝐵 Btwn ⟨𝑃, 𝐴⟩ ∧ 𝐵 Btwn ⟨𝑃, 𝐶⟩) → (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩)))
35	34	adantr 479	. . . . . . . . . . . 12 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐵 Btwn ⟨𝑃, 𝐴⟩) ∧ 𝐵 Btwn ⟨𝑃, 𝐶⟩)) → ((𝑃 ≠ 𝐵 ∧ 𝐵 Btwn ⟨𝑃, 𝐴⟩ ∧ 𝐵 Btwn ⟨𝑃, 𝐶⟩) → (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩)))
36	30, 31, 32, 35	mp3and 1462	. . . . . . . . . . 11 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐵 Btwn ⟨𝑃, 𝐴⟩) ∧ 𝐵 Btwn ⟨𝑃, 𝐶⟩)) → (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩))
37	36	expr 455	. . . . . . . . . 10 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ ((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐵 Btwn ⟨𝑃, 𝐴⟩)) → (𝐵 Btwn ⟨𝑃, 𝐶⟩ → (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩)))
38		df-3an 1087	. . . . . . . . . . . 12 ⊢ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐵 Btwn ⟨𝑃, 𝐴⟩ ∧ 𝐶 Btwn ⟨𝑃, 𝐵⟩) ↔ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐵 Btwn ⟨𝑃, 𝐴⟩) ∧ 𝐶 Btwn ⟨𝑃, 𝐵⟩))
39		simpr3 1194	. . . . . . . . . . . . . 14 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ ((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐵 Btwn ⟨𝑃, 𝐴⟩ ∧ 𝐶 Btwn ⟨𝑃, 𝐵⟩)) → 𝐶 Btwn ⟨𝑃, 𝐵⟩)
40		simpr2 1193	. . . . . . . . . . . . . 14 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ ((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐵 Btwn ⟨𝑃, 𝐴⟩ ∧ 𝐶 Btwn ⟨𝑃, 𝐵⟩)) → 𝐵 Btwn ⟨𝑃, 𝐴⟩)
41	8, 9, 12, 11, 10, 39, 40	btwnexchand 35302	. . . . . . . . . . . . 13 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ ((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐵 Btwn ⟨𝑃, 𝐴⟩ ∧ 𝐶 Btwn ⟨𝑃, 𝐵⟩)) → 𝐶 Btwn ⟨𝑃, 𝐴⟩)
42	41	olcd 870	. . . . . . . . . . . 12 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ ((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐵 Btwn ⟨𝑃, 𝐴⟩ ∧ 𝐶 Btwn ⟨𝑃, 𝐵⟩)) → (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩))
43	38, 42	sylan2br 593	. . . . . . . . . . 11 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐵 Btwn ⟨𝑃, 𝐴⟩) ∧ 𝐶 Btwn ⟨𝑃, 𝐵⟩)) → (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩))
44	43	expr 455	. . . . . . . . . 10 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ ((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐵 Btwn ⟨𝑃, 𝐴⟩)) → (𝐶 Btwn ⟨𝑃, 𝐵⟩ → (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩)))
45	37, 44	jaod 855	. . . . . . . . 9 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ ((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐵 Btwn ⟨𝑃, 𝐴⟩)) → ((𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩) → (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩)))
46	45	expr 455	. . . . . . . 8 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ (𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃)) → (𝐵 Btwn ⟨𝑃, 𝐴⟩ → ((𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩) → (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩))))
47	27, 46	jaod 855	. . . . . . 7 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ (𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃)) → ((𝐴 Btwn ⟨𝑃, 𝐵⟩ ∨ 𝐵 Btwn ⟨𝑃, 𝐴⟩) → ((𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩) → (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩))))
48	47	imp32 417	. . . . . 6 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ (𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃)) ∧ ((𝐴 Btwn ⟨𝑃, 𝐵⟩ ∨ 𝐵 Btwn ⟨𝑃, 𝐴⟩) ∧ (𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩))) → (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩))
49	5, 6, 48	3jca 1126	. . . . 5 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) ∧ (𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃)) ∧ ((𝐴 Btwn ⟨𝑃, 𝐵⟩ ∨ 𝐵 Btwn ⟨𝑃, 𝐴⟩) ∧ (𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩))) → (𝐴 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃 ∧ (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩)))
50	49	exp31 418	. . . 4 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → ((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) → (((𝐴 Btwn ⟨𝑃, 𝐵⟩ ∨ 𝐵 Btwn ⟨𝑃, 𝐴⟩) ∧ (𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩)) → (𝐴 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃 ∧ (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩)))))
51	4, 50	syl5 34	. . 3 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃) ∧ (𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃)) → (((𝐴 Btwn ⟨𝑃, 𝐵⟩ ∨ 𝐵 Btwn ⟨𝑃, 𝐴⟩) ∧ (𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩)) → (𝐴 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃 ∧ (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩)))))
52	51	impd 409	. 2 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → ((((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃) ∧ (𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃)) ∧ ((𝐴 Btwn ⟨𝑃, 𝐵⟩ ∨ 𝐵 Btwn ⟨𝑃, 𝐴⟩) ∧ (𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩))) → (𝐴 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃 ∧ (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩))))
53		broutsideof2 35398	. . . . 5 ⊢ ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁))) → (𝑃OutsideOf⟨𝐴, 𝐵⟩ ↔ (𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ (𝐴 Btwn ⟨𝑃, 𝐵⟩ ∨ 𝐵 Btwn ⟨𝑃, 𝐴⟩))))
54	8, 9, 10, 11, 53	syl13anc 1370	. . . 4 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → (𝑃OutsideOf⟨𝐴, 𝐵⟩ ↔ (𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ (𝐴 Btwn ⟨𝑃, 𝐵⟩ ∨ 𝐵 Btwn ⟨𝑃, 𝐴⟩))))
55		broutsideof2 35398	. . . . 5 ⊢ ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁))) → (𝑃OutsideOf⟨𝐵, 𝐶⟩ ↔ (𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃 ∧ (𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩))))
56	8, 9, 11, 12, 55	syl13anc 1370	. . . 4 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → (𝑃OutsideOf⟨𝐵, 𝐶⟩ ↔ (𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃 ∧ (𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩))))
57	54, 56	anbi12d 629	. . 3 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → ((𝑃OutsideOf⟨𝐴, 𝐵⟩ ∧ 𝑃OutsideOf⟨𝐵, 𝐶⟩) ↔ ((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ (𝐴 Btwn ⟨𝑃, 𝐵⟩ ∨ 𝐵 Btwn ⟨𝑃, 𝐴⟩)) ∧ (𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃 ∧ (𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩)))))
58		df-3an 1087	. . . . 5 ⊢ ((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ (𝐴 Btwn ⟨𝑃, 𝐵⟩ ∨ 𝐵 Btwn ⟨𝑃, 𝐴⟩)) ↔ ((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃) ∧ (𝐴 Btwn ⟨𝑃, 𝐵⟩ ∨ 𝐵 Btwn ⟨𝑃, 𝐴⟩)))
59		df-3an 1087	. . . . 5 ⊢ ((𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃 ∧ (𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩)) ↔ ((𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ (𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩)))
60	58, 59	anbi12i 625	. . . 4 ⊢ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ (𝐴 Btwn ⟨𝑃, 𝐵⟩ ∨ 𝐵 Btwn ⟨𝑃, 𝐴⟩)) ∧ (𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃 ∧ (𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩))) ↔ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃) ∧ (𝐴 Btwn ⟨𝑃, 𝐵⟩ ∨ 𝐵 Btwn ⟨𝑃, 𝐴⟩)) ∧ ((𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ (𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩))))
61		an4 652	. . . 4 ⊢ ((((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃) ∧ (𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃)) ∧ ((𝐴 Btwn ⟨𝑃, 𝐵⟩ ∨ 𝐵 Btwn ⟨𝑃, 𝐴⟩) ∧ (𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩))) ↔ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃) ∧ (𝐴 Btwn ⟨𝑃, 𝐵⟩ ∨ 𝐵 Btwn ⟨𝑃, 𝐴⟩)) ∧ ((𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ (𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩))))
62	60, 61	bitr4i 277	. . 3 ⊢ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ (𝐴 Btwn ⟨𝑃, 𝐵⟩ ∨ 𝐵 Btwn ⟨𝑃, 𝐴⟩)) ∧ (𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃 ∧ (𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩))) ↔ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃) ∧ (𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃)) ∧ ((𝐴 Btwn ⟨𝑃, 𝐵⟩ ∨ 𝐵 Btwn ⟨𝑃, 𝐴⟩) ∧ (𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩))))
63	57, 62	bitrdi 286	. 2 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → ((𝑃OutsideOf⟨𝐴, 𝐵⟩ ∧ 𝑃OutsideOf⟨𝐵, 𝐶⟩) ↔ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃) ∧ (𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃)) ∧ ((𝐴 Btwn ⟨𝑃, 𝐵⟩ ∨ 𝐵 Btwn ⟨𝑃, 𝐴⟩) ∧ (𝐵 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐵⟩)))))
64		broutsideof2 35398	. . 3 ⊢ ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝐴 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁))) → (𝑃OutsideOf⟨𝐴, 𝐶⟩ ↔ (𝐴 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃 ∧ (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩))))
65	8, 9, 10, 12, 64	syl13anc 1370	. 2 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → (𝑃OutsideOf⟨𝐴, 𝐶⟩ ↔ (𝐴 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃 ∧ (𝐴 Btwn ⟨𝑃, 𝐶⟩ ∨ 𝐶 Btwn ⟨𝑃, 𝐴⟩))))
66	52, 63, 65	3imtr4d 293	1 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → ((𝑃OutsideOf⟨𝐴, 𝐵⟩ ∧ 𝑃OutsideOf⟨𝐵, 𝐶⟩) → 𝑃OutsideOf⟨𝐴, 𝐶⟩))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 394 ∨ wo 843 ∧ w3a 1085 ∈ wcel 2104 ≠ wne 2938 ⟨cop 4633 class class class wbr 5147 ‘cfv 6542 ℕcn 12216 𝔼cee 28413 Btwn cbtwn 28414 OutsideOfcoutsideof 35395

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1911 ax-6 1969 ax-7 2009 ax-8 2106 ax-9 2114 ax-10 2135 ax-11 2152 ax-12 2169 ax-ext 2701 ax-rep 5284 ax-sep 5298 ax-nul 5305 ax-pow 5362 ax-pr 5426 ax-un 7727 ax-inf2 9638 ax-cnex 11168 ax-resscn 11169 ax-1cn 11170 ax-icn 11171 ax-addcl 11172 ax-addrcl 11173 ax-mulcl 11174 ax-mulrcl 11175 ax-mulcom 11176 ax-addass 11177 ax-mulass 11178 ax-distr 11179 ax-i2m1 11180 ax-1ne0 11181 ax-1rid 11182 ax-rnegex 11183 ax-rrecex 11184 ax-cnre 11185 ax-pre-lttri 11186 ax-pre-lttrn 11187 ax-pre-ltadd 11188 ax-pre-mulgt0 11189 ax-pre-sup 11190

This theorem depends on definitions: df-bi 206 df-an 395 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2532 df-eu 2561 df-clab 2708 df-cleq 2722 df-clel 2808 df-nfc 2883 df-ne 2939 df-nel 3045 df-ral 3060 df-rex 3069 df-rmo 3374 df-reu 3375 df-rab 3431 df-v 3474 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-pss 3966 df-nul 4322 df-if 4528 df-pw 4603 df-sn 4628 df-pr 4630 df-op 4634 df-uni 4908 df-int 4950 df-iun 4998 df-br 5148 df-opab 5210 df-mpt 5231 df-tr 5265 df-id 5573 df-eprel 5579 df-po 5587 df-so 5588 df-fr 5630 df-se 5631 df-we 5632 df-xp 5681 df-rel 5682 df-cnv 5683 df-co 5684 df-dm 5685 df-rn 5686 df-res 5687 df-ima 5688 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 7367 df-ov 7414 df-oprab 7415 df-mpo 7416 df-om 7858 df-1st 7977 df-2nd 7978 df-frecs 8268 df-wrecs 8299 df-recs 8373 df-rdg 8412 df-1o 8468 df-er 8705 df-map 8824 df-en 8942 df-dom 8943 df-sdom 8944 df-fin 8945 df-sup 9439 df-oi 9507 df-card 9936 df-pnf 11254 df-mnf 11255 df-xr 11256 df-ltxr 11257 df-le 11258 df-sub 11450 df-neg 11451 df-div 11876 df-nn 12217 df-2 12279 df-3 12280 df-n0 12477 df-z 12563 df-uz 12827 df-rp 12979 df-ico 13334 df-icc 13335 df-fz 13489 df-fzo 13632 df-seq 13971 df-exp 14032 df-hash 14295 df-cj 15050 df-re 15051 df-im 15052 df-sqrt 15186 df-abs 15187 df-clim 15436 df-sum 15637 df-ee 28416 df-btwn 28417 df-cgr 28418 df-ofs 35259 df-colinear 35315 df-ifs 35316 df-cgr3 35317 df-fs 35318 df-outsideof 35396

This theorem is referenced by: (None)

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