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Theorem btwnxfr 32467
Description: A condition for extending betweenness to a new set of points based on congruence with another set of points. Theorem 4.6 of [Schwabhauser] p. 36. (Contributed by Scott Fenton, 4-Oct-2013.)
Assertion
Ref Expression
btwnxfr ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) → ((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩) → 𝐸 Btwn ⟨𝐷, 𝐹⟩))

Proof of Theorem btwnxfr
Dummy variable 𝑒 is distinct from all other variables.
StepHypRef Expression
1 brcgr3 32457 . . . . . 6 ((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⟩)))
2 simp2 1132 . . . . . 6 ((⟨𝐴, 𝐵⟩Cgr⟨𝐷, 𝐸⟩ ∧ ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩ ∧ ⟨𝐵, 𝐶⟩Cgr⟨𝐸, 𝐹⟩) → ⟨𝐴, 𝐶⟩Cgr⟨𝐷, 𝐹⟩)
31, 2syl6bi 243 . . . . 5 ((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, 𝐶⟩Cgr⟨𝐷, 𝐹⟩))
4 simp1 1131 . . . . . 6 ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) → 𝑁 ∈ ℕ)
5 simp21 1249 . . . . . 6 ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) → 𝐴 ∈ (𝔼‘𝑁))
6 simp22 1250 . . . . . 6 ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) → 𝐵 ∈ (𝔼‘𝑁))
7 simp23 1251 . . . . . 6 ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) → 𝐶 ∈ (𝔼‘𝑁))
8 simp31 1252 . . . . . 6 ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) → 𝐷 ∈ (𝔼‘𝑁))
9 simp33 1254 . . . . . 6 ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) → 𝐹 ∈ (𝔼‘𝑁))
10 cgrxfr 32466 . . . . . 6 ((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⟩⟩)))
114, 5, 6, 7, 8, 9, 10syl132anc 1495 . . . . 5 ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (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⟩⟩)))
123, 11sylan2d 500 . . . 4 ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) → ((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩) → ∃𝑒 ∈ (𝔼‘𝑁)(𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)))
1312imp 444 . . 3 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩)) → ∃𝑒 ∈ (𝔼‘𝑁)(𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩))
14 simprrl 823 . . . . . . . . . . . . 13 ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) ∧ ((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩) ∧ (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩))) → 𝑒 Btwn ⟨𝐷, 𝐹⟩)
1514, 14jca 555 . . . . . . . . . . . 12 ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) ∧ ((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩) ∧ (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩))) → (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ 𝑒 Btwn ⟨𝐷, 𝐹⟩))
16 simpl1 1228 . . . . . . . . . . . . . . 15 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → 𝑁 ∈ ℕ)
17 simpl31 1327 . . . . . . . . . . . . . . 15 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → 𝐷 ∈ (𝔼‘𝑁))
18 simpl33 1331 . . . . . . . . . . . . . . 15 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → 𝐹 ∈ (𝔼‘𝑁))
1916, 17, 18cgrrflxd 32399 . . . . . . . . . . . . . 14 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → ⟨𝐷, 𝐹⟩Cgr⟨𝐷, 𝐹⟩)
20 simpr 479 . . . . . . . . . . . . . . 15 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → 𝑒 ∈ (𝔼‘𝑁))
2116, 20, 18cgrrflxd 32399 . . . . . . . . . . . . . 14 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → ⟨𝑒, 𝐹⟩Cgr⟨𝑒, 𝐹⟩)
2219, 21jca 555 . . . . . . . . . . . . 13 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → (⟨𝐷, 𝐹⟩Cgr⟨𝐷, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝑒, 𝐹⟩))
2322adantr 472 . . . . . . . . . . . 12 ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) ∧ ((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩) ∧ (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩))) → (⟨𝐷, 𝐹⟩Cgr⟨𝐷, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝑒, 𝐹⟩))
24 simpr 479 . . . . . . . . . . . . . 14 ((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩) → ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩)
25 simpr 479 . . . . . . . . . . . . . 14 ((𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩) → ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)
26 simpl2 1230 . . . . . . . . . . . . . . . 16 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)))
27 simpl3 1232 . . . . . . . . . . . . . . . 16 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁)))
2817, 20, 183jca 1123 . . . . . . . . . . . . . . . 16 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → (𝐷 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁)))
29 cgr3tr4 32463 . . . . . . . . . . . . . . . 16 ((𝑁 ∈ ℕ ∧ ((𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁)))) → ((⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩) → ⟨𝐷, ⟨𝐸, 𝐹⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩))
3016, 26, 27, 28, 29syl13anc 1479 . . . . . . . . . . . . . . 15 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → ((⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩) → ⟨𝐷, ⟨𝐸, 𝐹⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩))
31 cgr3com 32464 . . . . . . . . . . . . . . . . 17 ((𝑁 ∈ ℕ ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) → (⟨𝐷, ⟨𝐸, 𝐹⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩ ↔ ⟨𝐷, ⟨𝑒, 𝐹⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩))
3216, 27, 17, 20, 18, 31syl113anc 1489 . . . . . . . . . . . . . . . 16 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → (⟨𝐷, ⟨𝐸, 𝐹⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩ ↔ ⟨𝐷, ⟨𝑒, 𝐹⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩))
33 simpl32 1329 . . . . . . . . . . . . . . . . . 18 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → 𝐸 ∈ (𝔼‘𝑁))
34 brcgr3 32457 . . . . . . . . . . . . . . . . . 18 ((𝑁 ∈ ℕ ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) → (⟨𝐷, ⟨𝑒, 𝐹⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩ ↔ (⟨𝐷, 𝑒⟩Cgr⟨𝐷, 𝐸⟩ ∧ ⟨𝐷, 𝐹⟩Cgr⟨𝐷, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐸, 𝐹⟩)))
3516, 17, 20, 18, 17, 33, 18, 34syl133anc 1500 . . . . . . . . . . . . . . . . 17 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → (⟨𝐷, ⟨𝑒, 𝐹⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩ ↔ (⟨𝐷, 𝑒⟩Cgr⟨𝐷, 𝐸⟩ ∧ ⟨𝐷, 𝐹⟩Cgr⟨𝐷, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐸, 𝐹⟩)))
36 simpr1 1234 . . . . . . . . . . . . . . . . . . 19 ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) ∧ (⟨𝐷, 𝑒⟩Cgr⟨𝐷, 𝐸⟩ ∧ ⟨𝐷, 𝐹⟩Cgr⟨𝐷, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐸, 𝐹⟩)) → ⟨𝐷, 𝑒⟩Cgr⟨𝐷, 𝐸⟩)
37 simpr3 1238 . . . . . . . . . . . . . . . . . . . 20 ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) ∧ (⟨𝐷, 𝑒⟩Cgr⟨𝐷, 𝐸⟩ ∧ ⟨𝐷, 𝐹⟩Cgr⟨𝐷, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐸, 𝐹⟩)) → ⟨𝑒, 𝐹⟩Cgr⟨𝐸, 𝐹⟩)
3816, 20, 18, 33, 18, 37cgrcomlrand 32412 . . . . . . . . . . . . . . . . . . 19 ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) ∧ (⟨𝐷, 𝑒⟩Cgr⟨𝐷, 𝐸⟩ ∧ ⟨𝐷, 𝐹⟩Cgr⟨𝐷, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐸, 𝐹⟩)) → ⟨𝐹, 𝑒⟩Cgr⟨𝐹, 𝐸⟩)
3936, 38jca 555 . . . . . . . . . . . . . . . . . 18 ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) ∧ (⟨𝐷, 𝑒⟩Cgr⟨𝐷, 𝐸⟩ ∧ ⟨𝐷, 𝐹⟩Cgr⟨𝐷, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐸, 𝐹⟩)) → (⟨𝐷, 𝑒⟩Cgr⟨𝐷, 𝐸⟩ ∧ ⟨𝐹, 𝑒⟩Cgr⟨𝐹, 𝐸⟩))
4039ex 449 . . . . . . . . . . . . . . . . 17 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → ((⟨𝐷, 𝑒⟩Cgr⟨𝐷, 𝐸⟩ ∧ ⟨𝐷, 𝐹⟩Cgr⟨𝐷, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝐸, 𝐹⟩) → (⟨𝐷, 𝑒⟩Cgr⟨𝐷, 𝐸⟩ ∧ ⟨𝐹, 𝑒⟩Cgr⟨𝐹, 𝐸⟩)))
4135, 40sylbid 230 . . . . . . . . . . . . . . . 16 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → (⟨𝐷, ⟨𝑒, 𝐹⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩ → (⟨𝐷, 𝑒⟩Cgr⟨𝐷, 𝐸⟩ ∧ ⟨𝐹, 𝑒⟩Cgr⟨𝐹, 𝐸⟩)))
4232, 41sylbid 230 . . . . . . . . . . . . . . 15 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → (⟨𝐷, ⟨𝐸, 𝐹⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩ → (⟨𝐷, 𝑒⟩Cgr⟨𝐷, 𝐸⟩ ∧ ⟨𝐹, 𝑒⟩Cgr⟨𝐹, 𝐸⟩)))
4330, 42syld 47 . . . . . . . . . . . . . 14 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → ((⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩) → (⟨𝐷, 𝑒⟩Cgr⟨𝐷, 𝐸⟩ ∧ ⟨𝐹, 𝑒⟩Cgr⟨𝐹, 𝐸⟩)))
4424, 25, 43syl2ani 691 . . . . . . . . . . . . 13 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → (((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩) ∧ (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)) → (⟨𝐷, 𝑒⟩Cgr⟨𝐷, 𝐸⟩ ∧ ⟨𝐹, 𝑒⟩Cgr⟨𝐹, 𝐸⟩)))
4544imp 444 . . . . . . . . . . . 12 ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) ∧ ((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩) ∧ (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩))) → (⟨𝐷, 𝑒⟩Cgr⟨𝐷, 𝐸⟩ ∧ ⟨𝐹, 𝑒⟩Cgr⟨𝐹, 𝐸⟩))
4615, 23, 453jca 1123 . . . . . . . . . . 11 ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) ∧ ((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩) ∧ (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩))) → ((𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ 𝑒 Btwn ⟨𝐷, 𝐹⟩) ∧ (⟨𝐷, 𝐹⟩Cgr⟨𝐷, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝑒, 𝐹⟩) ∧ (⟨𝐷, 𝑒⟩Cgr⟨𝐷, 𝐸⟩ ∧ ⟨𝐹, 𝑒⟩Cgr⟨𝐹, 𝐸⟩)))
4746ex 449 . . . . . . . . . 10 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → (((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩) ∧ (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)) → ((𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ 𝑒 Btwn ⟨𝐷, 𝐹⟩) ∧ (⟨𝐷, 𝐹⟩Cgr⟨𝐷, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝑒, 𝐹⟩) ∧ (⟨𝐷, 𝑒⟩Cgr⟨𝐷, 𝐸⟩ ∧ ⟨𝐹, 𝑒⟩Cgr⟨𝐹, 𝐸⟩))))
48 brifs 32454 . . . . . . . . . . . 12 (((𝑁 ∈ ℕ ∧ 𝐷 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁)) ∧ (𝐹 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)) ∧ (𝑒 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁))) → (⟨⟨𝐷, 𝑒⟩, ⟨𝐹, 𝑒⟩⟩ InnerFiveSeg ⟨⟨𝐷, 𝑒⟩, ⟨𝐹, 𝐸⟩⟩ ↔ ((𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ 𝑒 Btwn ⟨𝐷, 𝐹⟩) ∧ (⟨𝐷, 𝐹⟩Cgr⟨𝐷, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝑒, 𝐹⟩) ∧ (⟨𝐷, 𝑒⟩Cgr⟨𝐷, 𝐸⟩ ∧ ⟨𝐹, 𝑒⟩Cgr⟨𝐹, 𝐸⟩))))
49 ifscgr 32455 . . . . . . . . . . . 12 (((𝑁 ∈ ℕ ∧ 𝐷 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁)) ∧ (𝐹 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)) ∧ (𝑒 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁))) → (⟨⟨𝐷, 𝑒⟩, ⟨𝐹, 𝑒⟩⟩ InnerFiveSeg ⟨⟨𝐷, 𝑒⟩, ⟨𝐹, 𝐸⟩⟩ → ⟨𝑒, 𝑒⟩Cgr⟨𝑒, 𝐸⟩))
5048, 49sylbird 250 . . . . . . . . . . 11 (((𝑁 ∈ ℕ ∧ 𝐷 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁)) ∧ (𝐹 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝐷 ∈ (𝔼‘𝑁)) ∧ (𝑒 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁))) → (((𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ 𝑒 Btwn ⟨𝐷, 𝐹⟩) ∧ (⟨𝐷, 𝐹⟩Cgr⟨𝐷, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝑒, 𝐹⟩) ∧ (⟨𝐷, 𝑒⟩Cgr⟨𝐷, 𝐸⟩ ∧ ⟨𝐹, 𝑒⟩Cgr⟨𝐹, 𝐸⟩)) → ⟨𝑒, 𝑒⟩Cgr⟨𝑒, 𝐸⟩))
5116, 17, 20, 18, 20, 17, 20, 18, 33, 50syl333anc 1509 . . . . . . . . . 10 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → (((𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ 𝑒 Btwn ⟨𝐷, 𝐹⟩) ∧ (⟨𝐷, 𝐹⟩Cgr⟨𝐷, 𝐹⟩ ∧ ⟨𝑒, 𝐹⟩Cgr⟨𝑒, 𝐹⟩) ∧ (⟨𝐷, 𝑒⟩Cgr⟨𝐷, 𝐸⟩ ∧ ⟨𝐹, 𝑒⟩Cgr⟨𝐹, 𝐸⟩)) → ⟨𝑒, 𝑒⟩Cgr⟨𝑒, 𝐸⟩))
5247, 51syld 47 . . . . . . . . 9 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → (((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩) ∧ (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)) → ⟨𝑒, 𝑒⟩Cgr⟨𝑒, 𝐸⟩))
53 cgrid2 32414 . . . . . . . . . 10 ((𝑁 ∈ ℕ ∧ (𝑒 ∈ (𝔼‘𝑁) ∧ 𝑒 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁))) → (⟨𝑒, 𝑒⟩Cgr⟨𝑒, 𝐸⟩ → 𝑒 = 𝐸))
5416, 20, 20, 33, 53syl13anc 1479 . . . . . . . . 9 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → (⟨𝑒, 𝑒⟩Cgr⟨𝑒, 𝐸⟩ → 𝑒 = 𝐸))
5552, 54syld 47 . . . . . . . 8 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) → (((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩) ∧ (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩)) → 𝑒 = 𝐸))
5655imp 444 . . . . . . 7 ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) ∧ ((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩) ∧ (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩))) → 𝑒 = 𝐸)
5756, 14eqbrtrrd 4826 . . . . . 6 ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) ∧ ((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩) ∧ (𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩))) → 𝐸 Btwn ⟨𝐷, 𝐹⟩)
5857expr 644 . . . . 5 ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ 𝑒 ∈ (𝔼‘𝑁)) ∧ (𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩)) → ((𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩) → 𝐸 Btwn ⟨𝐷, 𝐹⟩))
5958an32s 881 . . . 4 ((((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩)) ∧ 𝑒 ∈ (𝔼‘𝑁)) → ((𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩) → 𝐸 Btwn ⟨𝐷, 𝐹⟩))
6059rexlimdva 3167 . . 3 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩)) → (∃𝑒 ∈ (𝔼‘𝑁)(𝑒 Btwn ⟨𝐷, 𝐹⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝑒, 𝐹⟩⟩) → 𝐸 Btwn ⟨𝐷, 𝐹⟩))
6113, 60mpd 15 . 2 (((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) ∧ (𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩)) → 𝐸 Btwn ⟨𝐷, 𝐹⟩)
6261ex 449 1 ((𝑁 ∈ ℕ ∧ (𝐴 ∈ (𝔼‘𝑁) ∧ 𝐵 ∈ (𝔼‘𝑁) ∧ 𝐶 ∈ (𝔼‘𝑁)) ∧ (𝐷 ∈ (𝔼‘𝑁) ∧ 𝐸 ∈ (𝔼‘𝑁) ∧ 𝐹 ∈ (𝔼‘𝑁))) → ((𝐵 Btwn ⟨𝐴, 𝐶⟩ ∧ ⟨𝐴, ⟨𝐵, 𝐶⟩⟩Cgr3⟨𝐷, ⟨𝐸, 𝐹⟩⟩) → 𝐸 Btwn ⟨𝐷, 𝐹⟩))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 196  wa 383  w3a 1072   = wceq 1630  wcel 2137  wrex 3049  cop 4325   class class class wbr 4802  cfv 6047  cn 11210  𝔼cee 25965   Btwn cbtwn 25966  Cgrccgr 25967   InnerFiveSeg cifs 32446  Cgr3ccgr3 32447
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1869  ax-4 1884  ax-5 1986  ax-6 2052  ax-7 2088  ax-8 2139  ax-9 2146  ax-10 2166  ax-11 2181  ax-12 2194  ax-13 2389  ax-ext 2738  ax-rep 4921  ax-sep 4931  ax-nul 4939  ax-pow 4990  ax-pr 5053  ax-un 7112  ax-inf2 8709  ax-cnex 10182  ax-resscn 10183  ax-1cn 10184  ax-icn 10185  ax-addcl 10186  ax-addrcl 10187  ax-mulcl 10188  ax-mulrcl 10189  ax-mulcom 10190  ax-addass 10191  ax-mulass 10192  ax-distr 10193  ax-i2m1 10194  ax-1ne0 10195  ax-1rid 10196  ax-rnegex 10197  ax-rrecex 10198  ax-cnre 10199  ax-pre-lttri 10200  ax-pre-lttrn 10201  ax-pre-ltadd 10202  ax-pre-mulgt0 10203  ax-pre-sup 10204
This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3or 1073  df-3an 1074  df-tru 1633  df-fal 1636  df-ex 1852  df-nf 1857  df-sb 2045  df-eu 2609  df-mo 2610  df-clab 2745  df-cleq 2751  df-clel 2754  df-nfc 2889  df-ne 2931  df-nel 3034  df-ral 3053  df-rex 3054  df-reu 3055  df-rmo 3056  df-rab 3057  df-v 3340  df-sbc 3575  df-csb 3673  df-dif 3716  df-un 3718  df-in 3720  df-ss 3727  df-pss 3729  df-nul 4057  df-if 4229  df-pw 4302  df-sn 4320  df-pr 4322  df-tp 4324  df-op 4326  df-uni 4587  df-int 4626  df-iun 4672  df-br 4803  df-opab 4863  df-mpt 4880  df-tr 4903  df-id 5172  df-eprel 5177  df-po 5185  df-so 5186  df-fr 5223  df-se 5224  df-we 5225  df-xp 5270  df-rel 5271  df-cnv 5272  df-co 5273  df-dm 5274  df-rn 5275  df-res 5276  df-ima 5277  df-pred 5839  df-ord 5885  df-on 5886  df-lim 5887  df-suc 5888  df-iota 6010  df-fun 6049  df-fn 6050  df-f 6051  df-f1 6052  df-fo 6053  df-f1o 6054  df-fv 6055  df-isom 6056  df-riota 6772  df-ov 6814  df-oprab 6815  df-mpt2 6816  df-om 7229  df-1st 7331  df-2nd 7332  df-wrecs 7574  df-recs 7635  df-rdg 7673  df-1o 7727  df-oadd 7731  df-er 7909  df-map 8023  df-en 8120  df-dom 8121  df-sdom 8122  df-fin 8123  df-sup 8511  df-oi 8578  df-card 8953  df-pnf 10266  df-mnf 10267  df-xr 10268  df-ltxr 10269  df-le 10270  df-sub 10458  df-neg 10459  df-div 10875  df-nn 11211  df-2 11269  df-3 11270  df-n0 11483  df-z 11568  df-uz 11878  df-rp 12024  df-ico 12372  df-icc 12373  df-fz 12518  df-fzo 12658  df-seq 12994  df-exp 13053  df-hash 13310  df-cj 14036  df-re 14037  df-im 14038  df-sqrt 14172  df-abs 14173  df-clim 14416  df-sum 14614  df-ee 25968  df-btwn 25969  df-cgr 25970  df-ofs 32394  df-ifs 32451  df-cgr3 32452
This theorem is referenced by:  colinearxfr  32486  brofs2  32488  brifs2  32489  endofsegid  32496  brsegle2  32520
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