cgrxfr - Mathbox for Scott Fenton

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Theorem cgrxfr 34496

Description: A line segment can be divided at the same place as a congruent line segment is divided. Theorem 4.5 of [Schwabhauser] p. 35. (Contributed by Scott Fenton, 4-Oct-2013.)

**Assertion**
Ref	Expression
cgrxfr	⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) → ((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) → ∃𝑒 ∈ (𝔼‘𝑁)(𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)))

Distinct variable groups: 𝐴,𝑒 𝐵,𝑒 𝐶,𝑒 𝐷,𝑒 𝑒,𝐹 𝑒,𝑁

Proof of Theorem cgrxfr Dummy variables 𝑓 𝑔 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		simpl1 1191	. . . 4 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩)) → 𝑁 ∈ ℕ)
2		simpl3r 1229	. . . 4 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩)) → 𝐹 ∈ (𝔼‘𝑁))
3		simpl3l 1228	. . . 4 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩)) → 𝐷 ∈ (𝔼‘𝑁))
4		btwndiff 34468	. . . 4 ⊢ ((𝑁 ∈ ℕ ∧ 𝐹 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)) → ∃𝑔 ∈ (𝔼‘𝑁)(𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔))
5	1, 2, 3, 4	syl3anc 1371	. . 3 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩)) → ∃𝑔 ∈ (𝔼‘𝑁)(𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔))
6		simpl1 1191	. . . . . . . . 9 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑔 ∈ (𝔼‘𝑁)) → 𝑁 ∈ ℕ)
7		simpr 486	. . . . . . . . 9 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑔 ∈ (𝔼‘𝑁)) → 𝑔 ∈ (𝔼‘𝑁))
8		simpl3l 1228	. . . . . . . . 9 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑔 ∈ (𝔼‘𝑁)) → 𝐷 ∈ (𝔼‘𝑁))
9		simpl21 1251	. . . . . . . . 9 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑔 ∈ (𝔼‘𝑁)) → 𝐴 ∈ (𝔼‘𝑁))
10		simpl22 1252	. . . . . . . . 9 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑔 ∈ (𝔼‘𝑁)) → 𝐵 ∈ (𝔼‘𝑁))
11		axsegcon 27650	. . . . . . . . 9 ⊢ ((𝑁 ∈ ℕ ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)) ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁))) → ∃𝑒 ∈ (𝔼‘𝑁)(𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩))
12	6, 7, 8, 9, 10, 11	syl122anc 1379	. . . . . . . 8 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑔 ∈ (𝔼‘𝑁)) → ∃𝑒 ∈ (𝔼‘𝑁)(𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩))
13	12	adantr 482	. . . . . . 7 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑔 ∈ (𝔼‘𝑁)) ∧ ((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔))) → ∃𝑒 ∈ (𝔼‘𝑁)(𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩))
14		anass 470	. . . . . . . . . 10 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑔 ∈ (𝔼‘𝑁)) ∧ 𝑒 ∈ (𝔼‘𝑁)) ↔ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁))))
15		simpl1 1191	. . . . . . . . . . . . . 14 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁))) → 𝑁 ∈ ℕ)
16		simprl 769	. . . . . . . . . . . . . 14 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁))) → 𝑔 ∈ (𝔼‘𝑁))
17		simprr 771	. . . . . . . . . . . . . 14 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁))) → 𝑒 ∈ (𝔼‘𝑁))
18		simpl22 1252	. . . . . . . . . . . . . 14 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁))) → 𝐵 ∈ (𝔼‘𝑁))
19		simpl23 1253	. . . . . . . . . . . . . 14 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁))) → 𝐶 ∈ (𝔼‘𝑁))
20		axsegcon 27650	. . . . . . . . . . . . . 14 ⊢ ((𝑁 ∈ ℕ ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁)) ∧ (𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁))) → ∃𝑓 ∈ (𝔼‘𝑁)(𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))
21	15, 16, 17, 18, 19, 20	syl122anc 1379	. . . . . . . . . . . . 13 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁))) → ∃𝑓 ∈ (𝔼‘𝑁)(𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))
22	21	adantr 482	. . . . . . . . . . . 12 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁))) ∧ (((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩))) → ∃𝑓 ∈ (𝔼‘𝑁)(𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))
23		anass 470	. . . . . . . . . . . . . . . 16 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁))) ∧ 𝑓 ∈ (𝔼‘𝑁)) ↔ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ ((𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁)) ∧ 𝑓 ∈ (𝔼‘𝑁))))
24		df-3an 1089	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁)) ↔ ((𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁)) ∧ 𝑓 ∈ (𝔼‘𝑁)))
25	24	anbi2i 624	. . . . . . . . . . . . . . . 16 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ↔ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ ((𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁)) ∧ 𝑓 ∈ (𝔼‘𝑁))))
26	23, 25	bitr4i 278	. . . . . . . . . . . . . . 15 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁))) ∧ 𝑓 ∈ (𝔼‘𝑁)) ↔ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))))
27		simplrr 776	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) → 𝐷 ≠ 𝑔)
28	27	ad2antrl 726	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))) → 𝐷 ≠ 𝑔)
29	28	necomd 2997	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))) → 𝑔 ≠ 𝐷)
30		simpl1 1191	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) → 𝑁 ∈ ℕ)
31		simpr1 1194	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) → 𝑔 ∈ (𝔼‘𝑁))
32		simpl3l 1228	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) → 𝐷 ∈ (𝔼‘𝑁))
33		simpr2 1195	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) → 𝑒 ∈ (𝔼‘𝑁))
34		simpr3 1196	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) → 𝑓 ∈ (𝔼‘𝑁))
35		simprl 769	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) → 𝐷 Btwn ⟨𝑔, 𝑒⟩)
36	35	ad2antrl 726	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))) → 𝐷 Btwn ⟨𝑔, 𝑒⟩)
37		simprrl 779	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))) → 𝑒 Btwn ⟨𝑔, 𝑓⟩)
38	30, 31, 32, 33, 34, 36, 37	btwnexchand 34467	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))) → 𝐷 Btwn ⟨𝑔, 𝑓⟩)
39		simpl21 1251	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) → 𝐴 ∈ (𝔼‘𝑁))
40		simpl22 1252	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) → 𝐵 ∈ (𝔼‘𝑁))
41		simpl23 1253	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) → 𝐶 ∈ (𝔼‘𝑁))
42	30, 31, 32, 33, 34, 36, 37	btwnexch3and 34462	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))) → 𝑒 Btwn ⟨𝐷, 𝑓⟩)
43		simplll 773	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) → 𝐵 Btwn ⟨𝐴, 𝐶⟩)
44	43	ad2antrl 726	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))) → 𝐵 Btwn ⟨𝐴, 𝐶⟩)
45		simprr 771	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) → ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)
46	45	ad2antrl 726	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))) → ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)
47		simprrr 780	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))) → ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩)
48	30, 32, 33, 34, 39, 40, 41, 42, 44, 46, 47	cgrextendand 34450	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))) → ⟨𝐷, 𝑓⟩Cgr⟨𝐴, 𝐶⟩)
49	38, 48	jca 513	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))) → (𝐷 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝐷, 𝑓⟩Cgr⟨𝐴, 𝐶⟩))
50		simpl3r 1229	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) → 𝐹 ∈ (𝔼‘𝑁))
51		simplrl 775	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) → 𝐷 Btwn ⟨𝐹, 𝑔⟩)
52	51	ad2antrl 726	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))) → 𝐷 Btwn ⟨𝐹, 𝑔⟩)
53	30, 32, 50, 31, 52	btwncomand 34456	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))) → 𝐷 Btwn ⟨𝑔, 𝐹⟩)
54		simpllr 774	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) → ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩)
55	54	ad2antrl 726	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))) → ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩)
56	30, 39, 41, 32, 50, 55	cgrcomand 34432	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))) → ⟨𝐷, 𝐹⟩Cgr⟨𝐴, 𝐶⟩)
57	53, 56	jca 513	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))) → (𝐷 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝐷, 𝐹⟩Cgr⟨𝐴, 𝐶⟩))
58	29, 49, 57	3jca 1128	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))) → (𝑔 ≠ 𝐷 ∧ (𝐷 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝐷, 𝑓⟩Cgr⟨𝐴, 𝐶⟩) ∧ (𝐷 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝐷, 𝐹⟩Cgr⟨𝐴, 𝐶⟩)))
59	58	ex 414	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) → (((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩)) → (𝑔 ≠ 𝐷 ∧ (𝐷 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝐷, 𝑓⟩Cgr⟨𝐴, 𝐶⟩) ∧ (𝐷 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝐷, 𝐹⟩Cgr⟨𝐴, 𝐶⟩))))
60		segconeq 34451	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝑁 ∈ ℕ ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐴 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) → ((𝑔 ≠ 𝐷 ∧ (𝐷 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝐷, 𝑓⟩Cgr⟨𝐴, 𝐶⟩) ∧ (𝐷 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝐷, 𝐹⟩Cgr⟨𝐴, 𝐶⟩)) → 𝑓 = 𝐹))
61	30, 32, 39, 41, 31, 34, 50, 60	syl133anc 1393	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) → ((𝑔 ≠ 𝐷 ∧ (𝐷 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝐷, 𝑓⟩Cgr⟨𝐴, 𝐶⟩) ∧ (𝐷 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝐷, 𝐹⟩Cgr⟨𝐴, 𝐶⟩)) → 𝑓 = 𝐹))
62	59, 61	syld 47	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) → (((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩)) → 𝑓 = 𝐹))
63	62	imp 408	. . . . . . . . . . . . . . . . 17 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))) → 𝑓 = 𝐹)
64		opeq2 4826	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝑓 = 𝐹 → ⟨𝑔, 𝑓⟩ = ⟨𝑔, 𝐹⟩)
65	64	breq2d 5112	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑓 = 𝐹 → (𝑒 Btwn ⟨𝑔, 𝑓⟩ ↔ 𝑒 Btwn ⟨𝑔, 𝐹⟩))
66		opeq2 4826	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝑓 = 𝐹 → ⟨𝑒, 𝑓⟩ = ⟨𝑒, 𝐹⟩)
67	66	breq1d 5110	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑓 = 𝐹 → (⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩ ↔ ⟨𝑒, 𝐹⟩Cgr⟨𝐵, 𝐶⟩))
68	65, 67	anbi12d 632	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑓 = 𝐹 → ((𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩) ↔ (𝑒 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐵, 𝐶⟩)))
69	68	biimpa 478	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝑓 = 𝐹 ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩)) → (𝑒 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐵, 𝐶⟩))
70		simpl 484	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((𝑒 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐵, 𝐶⟩) → 𝑒 Btwn ⟨𝑔, 𝐹⟩)
71		btwnexch3 34461	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ ((𝑁 ∈ ℕ ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)) ∧ (𝑒 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) → ((𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ 𝑒 Btwn ⟨𝑔, 𝐹⟩) → 𝑒 Btwn ⟨𝐷, 𝐹⟩))
72	30, 31, 32, 33, 50, 71	syl122anc 1379	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) → ((𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ 𝑒 Btwn ⟨𝑔, 𝐹⟩) → 𝑒 Btwn ⟨𝐷, 𝐹⟩))
73	35, 70, 72	syl2ani 608	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) → (((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐵, 𝐶⟩)) → 𝑒 Btwn ⟨𝐷, 𝐹⟩))
74	73	imp 408	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐵, 𝐶⟩))) → 𝑒 Btwn ⟨𝐷, 𝐹⟩)
75		simplrr 776	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ (((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐵, 𝐶⟩)) → ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)
76	75	adantl 483	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐵, 𝐶⟩))) → ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)
77	30, 32, 33, 39, 40, 76	cgrcomand 34432	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐵, 𝐶⟩))) → ⟨𝐴, 𝐵⟩Cgr⟨𝐷, 𝑒⟩)
78	54	ad2antrl 726	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐵, 𝐶⟩))) → ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩)
79		simprrr 780	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐵, 𝐶⟩))) → ⟨𝑒, 𝐹⟩Cgr⟨𝐵, 𝐶⟩)
80	30, 33, 50, 40, 41, 79	cgrcomand 34432	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐵, 𝐶⟩))) → ⟨𝐵, 𝐶⟩Cgr⟨𝑒, 𝐹⟩)
81		brcgr3 34487	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) → (⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩ ↔ (⟨𝐴, 𝐵⟩Cgr⟨𝐷, 𝑒⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩ ∧ ⟨𝐵, 𝐶⟩Cgr⟨𝑒, 𝐹⟩)))
82	30, 39, 40, 41, 32, 33, 50, 81	syl133anc 1393	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) → (⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩ ↔ (⟨𝐴, 𝐵⟩Cgr⟨𝐷, 𝑒⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩ ∧ ⟨𝐵, 𝐶⟩Cgr⟨𝑒, 𝐹⟩)))
83	82	adantr 482	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐵, 𝐶⟩))) → (⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩ ↔ (⟨𝐴, 𝐵⟩Cgr⟨𝐷, 𝑒⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩ ∧ ⟨𝐵, 𝐶⟩Cgr⟨𝑒, 𝐹⟩)))
84	77, 78, 80, 83	mpbir3and 1342	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐵, 𝐶⟩))) → ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)
85	74, 84	jca 513	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐵, 𝐶⟩))) → (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩))
86	85	expr 458	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ (((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩))) → ((𝑒 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐵, 𝐶⟩) → (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)))
87	69, 86	syl5 34	. . . . . . . . . . . . . . . . . . 19 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ (((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩))) → ((𝑓 = 𝐹 ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩)) → (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)))
88	87	expcomd 418	. . . . . . . . . . . . . . . . . 18 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ (((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩))) → ((𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩) → (𝑓 = 𝐹 → (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩))))
89	88	impr 456	. . . . . . . . . . . . . . . . 17 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))) → (𝑓 = 𝐹 → (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)))
90	63, 89	mpd 15	. . . . . . . . . . . . . . . 16 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ ((((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩)) ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩))) → (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩))
91	90	expr 458	. . . . . . . . . . . . . . 15 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁))) ∧ (((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩))) → ((𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩) → (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)))
92	26, 91	sylanb 582	. . . . . . . . . . . . . 14 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁))) ∧ 𝑓 ∈ (𝔼‘𝑁)) ∧ (((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩))) → ((𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩) → (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)))
93	92	an32s 650	. . . . . . . . . . . . 13 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁))) ∧ (((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩))) ∧ 𝑓 ∈ (𝔼‘𝑁)) → ((𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩) → (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)))
94	93	rexlimdva 3150	. . . . . . . . . . . 12 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁))) ∧ (((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩))) → (∃𝑓 ∈ (𝔼‘𝑁)(𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩) → (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)))
95	22, 94	mpd 15	. . . . . . . . . . 11 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁))) ∧ (((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔)) ∧ (𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩))) → (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩))
96	95	expr 458	. . . . . . . . . 10 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁))) ∧ ((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔))) → ((𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩) → (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)))
97	14, 96	sylanb 582	. . . . . . . . 9 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑔 ∈ (𝔼‘𝑁)) ∧ 𝑒 ∈ (𝔼‘𝑁)) ∧ ((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔))) → ((𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩) → (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)))
98	97	an32s 650	. . . . . . . 8 ⊢ (((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑔 ∈ (𝔼‘𝑁)) ∧ ((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → ((𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩) → (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)))
99	98	reximdva 3163	. . . . . . 7 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑔 ∈ (𝔼‘𝑁)) ∧ ((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔))) → (∃𝑒 ∈ (𝔼‘𝑁)(𝐷 Btwn ⟨𝑔, 𝑒⟩ ∧ ⟨𝐷, 𝑒⟩Cgr⟨𝐴, 𝐵⟩) → ∃𝑒 ∈ (𝔼‘𝑁)(𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)))
100	13, 99	mpd 15	. . . . . 6 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑔 ∈ (𝔼‘𝑁)) ∧ ((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) ∧ (𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔))) → ∃𝑒 ∈ (𝔼‘𝑁)(𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩))
101	100	expr 458	. . . . 5 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑔 ∈ (𝔼‘𝑁)) ∧ (𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩)) → ((𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔) → ∃𝑒 ∈ (𝔼‘𝑁)(𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)))
102	101	an32s 650	. . . 4 ⊢ ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩)) ∧ 𝑔 ∈ (𝔼‘𝑁)) → ((𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔) → ∃𝑒 ∈ (𝔼‘𝑁)(𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)))
103	102	rexlimdva 3150	. . 3 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩)) → (∃𝑔 ∈ (𝔼‘𝑁)(𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔) → ∃𝑒 ∈ (𝔼‘𝑁)(𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)))
104	5, 103	mpd 15	. 2 ⊢ (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩)) → ∃𝑒 ∈ (𝔼‘𝑁)(𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩))
105	104	ex 414	1 ⊢ ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) → ((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩) → ∃𝑒 ∈ (𝔼‘𝑁)(𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 397 ∧ w3a 1087 = wceq 1541 ∈ wcel 2106 ≠ wne 2941 ∃wrex 3071 ⟨cop 4587 class class class wbr 5100 ‘cfv 6488 ℕcn 12083 𝔼cee 27611 Btwn cbtwn 27612 Cgrccgr 27613 Cgr3ccgr3 34477

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 2708 ax-rep 5237 ax-sep 5251 ax-nul 5258 ax-pow 5315 ax-pr 5379 ax-un 7659 ax-inf2 9507 ax-cnex 11037 ax-resscn 11038 ax-1cn 11039 ax-icn 11040 ax-addcl 11041 ax-addrcl 11042 ax-mulcl 11043 ax-mulrcl 11044 ax-mulcom 11045 ax-addass 11046 ax-mulass 11047 ax-distr 11048 ax-i2m1 11049 ax-1ne0 11050 ax-1rid 11051 ax-rnegex 11052 ax-rrecex 11053 ax-cnre 11054 ax-pre-lttri 11055 ax-pre-lttrn 11056 ax-pre-ltadd 11057 ax-pre-mulgt0 11058 ax-pre-sup 11059

This theorem depends on definitions: df-bi 206 df-an 398 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 2539 df-eu 2568 df-clab 2715 df-cleq 2729 df-clel 2815 df-nfc 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-rmo 3351 df-reu 3352 df-rab 3406 df-v 3445 df-sbc 3735 df-csb 3851 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3924 df-nul 4278 df-if 4482 df-pw 4557 df-sn 4582 df-pr 4584 df-op 4588 df-uni 4861 df-int 4903 df-iun 4951 df-br 5101 df-opab 5163 df-mpt 5184 df-tr 5218 df-id 5525 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5582 df-se 5583 df-we 5584 df-xp 5633 df-rel 5634 df-cnv 5635 df-co 5636 df-dm 5637 df-rn 5638 df-res 5639 df-ima 5640 df-pred 6246 df-ord 6313 df-on 6314 df-lim 6315 df-suc 6316 df-iota 6440 df-fun 6490 df-fn 6491 df-f 6492 df-f1 6493 df-fo 6494 df-f1o 6495 df-fv 6496 df-isom 6497 df-riota 7302 df-ov 7349 df-oprab 7350 df-mpo 7351 df-om 7790 df-1st 7908 df-2nd 7909 df-frecs 8176 df-wrecs 8207 df-recs 8281 df-rdg 8320 df-1o 8376 df-er 8578 df-map 8697 df-en 8814 df-dom 8815 df-sdom 8816 df-fin 8817 df-sup 9308 df-oi 9376 df-card 9805 df-pnf 11121 df-mnf 11122 df-xr 11123 df-ltxr 11124 df-le 11125 df-sub 11317 df-neg 11318 df-div 11743 df-nn 12084 df-2 12146 df-3 12147 df-n0 12344 df-z 12430 df-uz 12693 df-rp 12841 df-ico 13195 df-icc 13196 df-fz 13350 df-fzo 13493 df-seq 13832 df-exp 13893 df-hash 14155 df-cj 14914 df-re 14915 df-im 14916 df-sqrt 15050 df-abs 15051 df-clim 15301 df-sum 15502 df-ee 27614 df-btwn 27615 df-cgr 27616 df-ofs 34424 df-cgr3 34482

This theorem is referenced by: btwnxfr 34497 lineext 34517 seglecgr12im 34551 segletr 34555

W3C validator