outsideoftr - Mathbox for Scott Fenton

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Theorem outsideoftr 34824

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 765	. . . . 5 ⊢ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃) ∧ (𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃)) → 𝐴 ≠ 𝑃)
2		simplr 767	. . . . 5 ⊢ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃) ∧ (𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃)) → 𝐵 ≠ 𝑃)
3		simprr 771	. . . . 5 ⊢ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃) ∧ (𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃)) → 𝐶 ≠ 𝑃)
4	1, 2, 3	3jca 1128	. . . 4 ⊢ (((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃) ∧ (𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃)) → (𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃))
5		simplr1 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⟩))) → 𝐴 ≠ 𝑃)
6		simplr3 1217	. . . . . 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 1089	. . . . . . . . . . . 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 1136	. . . . . . . . . . . . . 14 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → 𝑁 ∈ ℕ)
9		simp3r 1202	. . . . . . . . . . . . . 14 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → 𝑃 ∈ (𝔼‘𝑁))
10		simp2l 1199	. . . . . . . . . . . . . 14 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → 𝐴 ∈ (𝔼‘𝑁))
11		simp2r 1200	. . . . . . . . . . . . . 14 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → 𝐵 ∈ (𝔼‘𝑁))
12		simp3l 1201	. . . . . . . . . . . . . 14 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁)) ∧ (𝐶 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → 𝐶 ∈ (𝔼‘𝑁))
13		simpr2 1195	. . . . . . . . . . . . . 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 1196	. . . . . . . . . . . . . 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 34721	. . . . . . . . . . . . 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 871	. . . . . . . . . . . 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 595	. . . . . . . . . . 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 457	. . . . . . . . . 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 778	. . . . . . . . . . . 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 771	. . . . . . . . . . . 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 34798	. . . . . . . . . . . . . 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 1379	. . . . . . . . . . . . 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 481	. . . . . . . . . . . 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 697	. . . . . . . . . . 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 457	. . . . . . . . . 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 857	. . . . . . . . 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 457	. . . . . . . 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 1213	. . . . . . . . . . . . . 14 ⊢ ((((𝐴 ≠ 𝑃 ∧ 𝐵 ≠ 𝑃 ∧ 𝐶 ≠ 𝑃) ∧ 𝐵 Btwn ⟨𝑃, 𝐴⟩) ∧ 𝐵 Btwn ⟨𝑃, 𝐶⟩) → 𝐵 ≠ 𝑃)
29	28	adantl 482	. . . . . . . . . . . . 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 2995	. . . . . . . . . . . 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 778	. . . . . . . . . . . 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 771	. . . . . . . . . . . 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 34796	. . . . . . . . . . . . . 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 1379	. . . . . . . . . . . . 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 481	. . . . . . . . . . . 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 1464	. . . . . . . . . . 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 457	. . . . . . . . . 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 1089	. . . . . . . . . . . 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 1196	. . . . . . . . . . . . . 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 1195	. . . . . . . . . . . . . 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 34721	. . . . . . . . . . . . 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 872	. . . . . . . . . . . 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 595	. . . . . . . . . . 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 457	. . . . . . . . . 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 857	. . . . . . . . 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 457	. . . . . . . 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 857	. . . . . . 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 419	. . . . . 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 1128	. . . . 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 420	. . . 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 411	. 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 34817	. . . . 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 1372	. . . 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 34817	. . . . 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 1372	. . . 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 631	. . 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 1089	. . . . 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 1089	. . . . 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 627	. . . 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 654	. . . 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 34817	. . 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 1372	. 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 396 ∨ wo 845 ∧ w3a 1087 ∈ wcel 2106 ≠ wne 2939 ⟨cop 4612 class class class wbr 5125 ‘cfv 6516 ℕcn 12177 𝔼cee 27934 Btwn cbtwn 27935 OutsideOfcoutsideof 34814

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 2702 ax-rep 5262 ax-sep 5276 ax-nul 5283 ax-pow 5340 ax-pr 5404 ax-un 7692 ax-inf2 9601 ax-cnex 11131 ax-resscn 11132 ax-1cn 11133 ax-icn 11134 ax-addcl 11135 ax-addrcl 11136 ax-mulcl 11137 ax-mulrcl 11138 ax-mulcom 11139 ax-addass 11140 ax-mulass 11141 ax-distr 11142 ax-i2m1 11143 ax-1ne0 11144 ax-1rid 11145 ax-rnegex 11146 ax-rrecex 11147 ax-cnre 11148 ax-pre-lttri 11149 ax-pre-lttrn 11150 ax-pre-ltadd 11151 ax-pre-mulgt0 11152 ax-pre-sup 11153

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 2533 df-eu 2562 df-clab 2709 df-cleq 2723 df-clel 2809 df-nfc 2884 df-ne 2940 df-nel 3046 df-ral 3061 df-rex 3070 df-rmo 3364 df-reu 3365 df-rab 3419 df-v 3461 df-sbc 3758 df-csb 3874 df-dif 3931 df-un 3933 df-in 3935 df-ss 3945 df-pss 3947 df-nul 4303 df-if 4507 df-pw 4582 df-sn 4607 df-pr 4609 df-op 4613 df-uni 4886 df-int 4928 df-iun 4976 df-br 5126 df-opab 5188 df-mpt 5209 df-tr 5243 df-id 5551 df-eprel 5557 df-po 5565 df-so 5566 df-fr 5608 df-se 5609 df-we 5610 df-xp 5659 df-rel 5660 df-cnv 5661 df-co 5662 df-dm 5663 df-rn 5664 df-res 5665 df-ima 5666 df-pred 6273 df-ord 6340 df-on 6341 df-lim 6342 df-suc 6343 df-iota 6468 df-fun 6518 df-fn 6519 df-f 6520 df-f1 6521 df-fo 6522 df-f1o 6523 df-fv 6524 df-isom 6525 df-riota 7333 df-ov 7380 df-oprab 7381 df-mpo 7382 df-om 7823 df-1st 7941 df-2nd 7942 df-frecs 8232 df-wrecs 8263 df-recs 8337 df-rdg 8376 df-1o 8432 df-er 8670 df-map 8789 df-en 8906 df-dom 8907 df-sdom 8908 df-fin 8909 df-sup 9402 df-oi 9470 df-card 9899 df-pnf 11215 df-mnf 11216 df-xr 11217 df-ltxr 11218 df-le 11219 df-sub 11411 df-neg 11412 df-div 11837 df-nn 12178 df-2 12240 df-3 12241 df-n0 12438 df-z 12524 df-uz 12788 df-rp 12940 df-ico 13295 df-icc 13296 df-fz 13450 df-fzo 13593 df-seq 13932 df-exp 13993 df-hash 14256 df-cj 15011 df-re 15012 df-im 15013 df-sqrt 15147 df-abs 15148 df-clim 15397 df-sum 15598 df-ee 27937 df-btwn 27938 df-cgr 27939 df-ofs 34678 df-colinear 34734 df-ifs 34735 df-cgr3 34736 df-fs 34737 df-outsideof 34815

This theorem is referenced by: (None)

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