cgrxfr - Mathbox for Scott Fenton

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Theorem cgrxfr 34357

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 1190	. . . 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 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⟩)) → 𝐹 ∈ (𝔼‘𝑁))
3		simpl3l 1227	. . . 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 34329	. . . 4 ⊢ ((𝑁 ∈ ℕ ∧ 𝐹 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)) → ∃𝑔 ∈ (𝔼‘𝑁)(𝐷 Btwn ⟨𝐹, 𝑔⟩ ∧ 𝐷 ≠ 𝑔))
5	1, 2, 3, 4	syl3anc 1370	. . 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 1190	. . . . . . . . 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 485	. . . . . . . . 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 1227	. . . . . . . . 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 1250	. . . . . . . . 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 1251	. . . . . . . . 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 27295	. . . . . . . . 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 1378	. . . . . . . 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 481	. . . . . . 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 469	. . . . . . . . . 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 1190	. . . . . . . . . . . . . 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 768	. . . . . . . . . . . . . 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 770	. . . . . . . . . . . . . 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 1251	. . . . . . . . . . . . . 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 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))) → 𝐶 ∈ (𝔼‘𝑁))
20		axsegcon 27295	. . . . . . . . . . . . . 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 1378	. . . . . . . . . . . . 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 481	. . . . . . . . . . . 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 469	. . . . . . . . . . . . . . . 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 1088	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝑓 ∈ (𝔼‘𝑁)) ↔ ((𝑔 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁)) ∧ 𝑓 ∈ (𝔼‘𝑁)))
25	24	anbi2i 623	. . . . . . . . . . . . . . . 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 277	. . . . . . . . . . . . . . 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 775	. . . . . . . . . . . . . . . . . . . . . . 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 725	. . . . . . . . . . . . . . . . . . . . . 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 2999	. . . . . . . . . . . . . . . . . . . . 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 1190	. . . . . . . . . . . . . . . . . . . . . . 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 1193	. . . . . . . . . . . . . . . . . . . . . . 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 1227	. . . . . . . . . . . . . . . . . . . . . . 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 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))) → 𝑒 ∈ (𝔼‘𝑁))
34		simpr3 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))) → 𝑓 ∈ (𝔼‘𝑁))
35		simprl 768	. . . . . . . . . . . . . . . . . . . . . . . 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 725	. . . . . . . . . . . . . . . . . . . . . . 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 778	. . . . . . . . . . . . . . . . . . . . . . 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 34328	. . . . . . . . . . . . . . . . . . . . . 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 1250	. . . . . . . . . . . . . . . . . . . . . . 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 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))) → 𝐵 ∈ (𝔼‘𝑁))
41		simpl23 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))) → 𝐶 ∈ (𝔼‘𝑁))
42	30, 31, 32, 33, 34, 36, 37	btwnexch3and 34323	. . . . . . . . . . . . . . . . . . . . . . 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 772	. . . . . . . . . . . . . . . . . . . . . . . 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 725	. . . . . . . . . . . . . . . . . . . . . . 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 770	. . . . . . . . . . . . . . . . . . . . . . . 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 725	. . . . . . . . . . . . . . . . . . . . . . 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 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, 𝑓⟩Cgr⟨𝐵, 𝐶⟩)
48	30, 32, 33, 34, 39, 40, 41, 42, 44, 46, 47	cgrextendand 34311	. . . . . . . . . . . . . . . . . . . . . 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 512	. . . . . . . . . . . . . . . . . . . . 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 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))) → 𝐹 ∈ (𝔼‘𝑁))
51		simplrl 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⟩)) → 𝐷 Btwn ⟨𝐹, 𝑔⟩)
52	51	ad2antrl 725	. . . . . . . . . . . . . . . . . . . . . . 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 34317	. . . . . . . . . . . . . . . . . . . . . 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 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⟩)) → ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩)
55	54	ad2antrl 725	. . . . . . . . . . . . . . . . . . . . . . 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 34293	. . . . . . . . . . . . . . . . . . . . . 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 512	. . . . . . . . . . . . . . . . . . . . 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 1127	. . . . . . . . . . . . . . . . . . . 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 413	. . . . . . . . . . . . . . . . . . 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 34312	. . . . . . . . . . . . . . . . . . . 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 1392	. . . . . . . . . . . . . . . . . . 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 407	. . . . . . . . . . . . . . . . 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 4805	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝑓 = 𝐹 → ⟨𝑔, 𝑓⟩ = ⟨𝑔, 𝐹⟩)
65	64	breq2d 5086	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑓 = 𝐹 → (𝑒 Btwn ⟨𝑔, 𝑓⟩ ↔ 𝑒 Btwn ⟨𝑔, 𝐹⟩))
66		opeq2 4805	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (𝑓 = 𝐹 → ⟨𝑒, 𝑓⟩ = ⟨𝑒, 𝐹⟩)
67	66	breq1d 5084	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑓 = 𝐹 → (⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩ ↔ ⟨𝑒, 𝐹⟩Cgr⟨𝐵, 𝐶⟩))
68	65, 67	anbi12d 631	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑓 = 𝐹 → ((𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩) ↔ (𝑒 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐵, 𝐶⟩)))
69	68	biimpa 477	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝑓 = 𝐹 ∧ (𝑒 Btwn ⟨𝑔, 𝑓⟩ ∧ ⟨𝑒, 𝑓⟩Cgr⟨𝐵, 𝐶⟩)) → (𝑒 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐵, 𝐶⟩))
70		simpl 483	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ ((𝑒 Btwn ⟨𝑔, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐵, 𝐶⟩) → 𝑒 Btwn ⟨𝑔, 𝐹⟩)
71		btwnexch3 34322	. . . . . . . . . . . . . . . . . . . . . . . . 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 1378	. . . . . . . . . . . . . . . . . . . . . . . 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 607	. . . . . . . . . . . . . . . . . . . . . . 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 407	. . . . . . . . . . . . . . . . . . . . . 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 775	. . . . . . . . . . . . . . . . . . . . . . . . 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 482	. . . . . . . . . . . . . . . . . . . . . . . 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 34293	. . . . . . . . . . . . . . . . . . . . . . 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 725	. . . . . . . . . . . . . . . . . . . . . . 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 779	. . . . . . . . . . . . . . . . . . . . . . . 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 34293	. . . . . . . . . . . . . . . . . . . . . . 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 34348	. . . . . . . . . . . . . . . . . . . . . . . . 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 1392	. . . . . . . . . . . . . . . . . . . . . . . 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 481	. . . . . . . . . . . . . . . . . . . . . . 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 1341	. . . . . . . . . . . . . . . . . . . . . 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 512	. . . . . . . . . . . . . . . . . . . . 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 457	. . . . . . . . . . . . . . . . . . . 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 417	. . . . . . . . . . . . . . . . . 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 455	. . . . . . . . . . . . . . . . 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 457	. . . . . . . . . . . . . . 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 581	. . . . . . . . . . . . . 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 649	. . . . . . . . . . . . 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 3213	. . . . . . . . . . . 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 457	. . . . . . . . . 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 581	. . . . . . . . 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 649	. . . . . . . 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 3203	. . . . . . 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 457	. . . . 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 649	. . . 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 3213	. . 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 413	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 396 ∧ w3a 1086 = wceq 1539 ∈ wcel 2106 ≠ wne 2943 ∃wrex 3065 ⟨cop 4567 class class class wbr 5074 ‘cfv 6433 ℕcn 11973 𝔼cee 27256 Btwn cbtwn 27257 Cgrccgr 27258 Cgr3ccgr3 34338

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 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 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-inf2 9399 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 ax-pre-sup 10949

This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-rmo 3071 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-se 5545 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-isom 6442 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-om 7713 df-1st 7831 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-1o 8297 df-er 8498 df-map 8617 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-sup 9201 df-oi 9269 df-card 9697 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-div 11633 df-nn 11974 df-2 12036 df-3 12037 df-n0 12234 df-z 12320 df-uz 12583 df-rp 12731 df-ico 13085 df-icc 13086 df-fz 13240 df-fzo 13383 df-seq 13722 df-exp 13783 df-hash 14045 df-cj 14810 df-re 14811 df-im 14812 df-sqrt 14946 df-abs 14947 df-clim 15197 df-sum 15398 df-ee 27259 df-btwn 27260 df-cgr 27261 df-ofs 34285 df-cgr3 34343

This theorem is referenced by: btwnxfr 34358 lineext 34378 seglecgr12im 34412 segletr 34416

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