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Theorem lineunray 35982
Description: A line is composed of a point and the two rays emerging from it. Theorem 6.15 of [Schwabhauser] p. 45. (Contributed by Scott Fenton, 26-Oct-2013.) (Revised by Mario Carneiro, 19-Apr-2014.)
Assertion
Ref Expression
lineunray ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) → (𝑃 Btwn ⟨𝑄, 𝑅⟩ → (𝑃Line𝑄) = (((𝑃Ray𝑄) ∪ {𝑃}) ∪ (𝑃Ray𝑅))))

Proof of Theorem lineunray
Dummy variable 𝑥 is distinct from all other variables.
StepHypRef Expression
1 simpl1 1188 . . . . . . . . . . . . 13 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → 𝑁 ∈ ℕ)
2 simpr 483 . . . . . . . . . . . . 13 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → 𝑥 ∈ (𝔼‘𝑁))
3 simpl21 1248 . . . . . . . . . . . . 13 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → 𝑃 ∈ (𝔼‘𝑁))
4 simpl22 1249 . . . . . . . . . . . . 13 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → 𝑄 ∈ (𝔼‘𝑁))
5 brcolinear 35894 . . . . . . . . . . . . 13 ((𝑁 ∈ ℕ ∧ (𝑥 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁))) → (𝑥 Colinear ⟨𝑃, 𝑄⟩ ↔ (𝑥 Btwn ⟨𝑃, 𝑄⟩ ∨ 𝑃 Btwn ⟨𝑄, 𝑥⟩ ∨ 𝑄 Btwn ⟨𝑥, 𝑃⟩)))
61, 2, 3, 4, 5syl13anc 1369 . . . . . . . . . . . 12 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → (𝑥 Colinear ⟨𝑃, 𝑄⟩ ↔ (𝑥 Btwn ⟨𝑃, 𝑄⟩ ∨ 𝑃 Btwn ⟨𝑄, 𝑥⟩ ∨ 𝑄 Btwn ⟨𝑥, 𝑃⟩)))
76adantr 479 . . . . . . . . . . 11 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → (𝑥 Colinear ⟨𝑃, 𝑄⟩ ↔ (𝑥 Btwn ⟨𝑃, 𝑄⟩ ∨ 𝑃 Btwn ⟨𝑄, 𝑥⟩ ∨ 𝑄 Btwn ⟨𝑥, 𝑃⟩)))
8 olc 866 . . . . . . . . . . . . . 14 (𝑥 Btwn ⟨𝑃, 𝑄⟩ → (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩))
98orcd 871 . . . . . . . . . . . . 13 (𝑥 Btwn ⟨𝑃, 𝑄⟩ → ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)))
109a1i 11 . . . . . . . . . . . 12 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → (𝑥 Btwn ⟨𝑃, 𝑄⟩ → ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))))
11 simpl3l 1225 . . . . . . . . . . . . . . . . . 18 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → 𝑃𝑄)
1211necomd 2986 . . . . . . . . . . . . . . . . 17 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → 𝑄𝑃)
1312adantr 479 . . . . . . . . . . . . . . . 16 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ (𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑃 Btwn ⟨𝑄, 𝑥⟩)) → 𝑄𝑃)
14 simprl 769 . . . . . . . . . . . . . . . 16 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ (𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑃 Btwn ⟨𝑄, 𝑥⟩)) → 𝑃 Btwn ⟨𝑄, 𝑅⟩)
15 simprr 771 . . . . . . . . . . . . . . . 16 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ (𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑃 Btwn ⟨𝑄, 𝑥⟩)) → 𝑃 Btwn ⟨𝑄, 𝑥⟩)
1613, 14, 153jca 1125 . . . . . . . . . . . . . . 15 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ (𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑃 Btwn ⟨𝑄, 𝑥⟩)) → (𝑄𝑃𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑃 Btwn ⟨𝑄, 𝑥⟩))
17 simpl23 1250 . . . . . . . . . . . . . . . . 17 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → 𝑅 ∈ (𝔼‘𝑁))
18 btwnconn2 35937 . . . . . . . . . . . . . . . . 17 ((𝑁 ∈ ℕ ∧ (𝑄 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁)) ∧ (𝑅 ∈ (𝔼‘𝑁) ∧ 𝑥 ∈ (𝔼‘𝑁))) → ((𝑄𝑃𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑃 Btwn ⟨𝑄, 𝑥⟩) → (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)))
191, 4, 3, 17, 2, 18syl122anc 1376 . . . . . . . . . . . . . . . 16 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → ((𝑄𝑃𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑃 Btwn ⟨𝑄, 𝑥⟩) → (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)))
2019adantr 479 . . . . . . . . . . . . . . 15 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ (𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑃 Btwn ⟨𝑄, 𝑥⟩)) → ((𝑄𝑃𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑃 Btwn ⟨𝑄, 𝑥⟩) → (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)))
2116, 20mpd 15 . . . . . . . . . . . . . 14 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ (𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑃 Btwn ⟨𝑄, 𝑥⟩)) → (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))
2221olcd 872 . . . . . . . . . . . . 13 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ (𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑃 Btwn ⟨𝑄, 𝑥⟩)) → ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)))
2322expr 455 . . . . . . . . . . . 12 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → (𝑃 Btwn ⟨𝑄, 𝑥⟩ → ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))))
24 btwncom 35849 . . . . . . . . . . . . . . 15 ((𝑁 ∈ ℕ ∧ (𝑄 ∈ (𝔼‘𝑁) ∧ 𝑥 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → (𝑄 Btwn ⟨𝑥, 𝑃⟩ ↔ 𝑄 Btwn ⟨𝑃, 𝑥⟩))
251, 4, 2, 3, 24syl13anc 1369 . . . . . . . . . . . . . 14 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → (𝑄 Btwn ⟨𝑥, 𝑃⟩ ↔ 𝑄 Btwn ⟨𝑃, 𝑥⟩))
26 orc 865 . . . . . . . . . . . . . . 15 (𝑄 Btwn ⟨𝑃, 𝑥⟩ → (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩))
2726orcd 871 . . . . . . . . . . . . . 14 (𝑄 Btwn ⟨𝑃, 𝑥⟩ → ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)))
2825, 27biimtrdi 252 . . . . . . . . . . . . 13 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → (𝑄 Btwn ⟨𝑥, 𝑃⟩ → ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))))
2928adantr 479 . . . . . . . . . . . 12 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → (𝑄 Btwn ⟨𝑥, 𝑃⟩ → ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))))
3010, 23, 293jaod 1426 . . . . . . . . . . 11 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → ((𝑥 Btwn ⟨𝑃, 𝑄⟩ ∨ 𝑃 Btwn ⟨𝑄, 𝑥⟩ ∨ 𝑄 Btwn ⟨𝑥, 𝑃⟩) → ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))))
317, 30sylbid 239 . . . . . . . . . 10 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → (𝑥 Colinear ⟨𝑃, 𝑄⟩ → ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))))
32 olc 866 . . . . . . . . . 10 (((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)) → (𝑥 = 𝑃 ∨ ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))))
3331, 32syl6 35 . . . . . . . . 9 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → (𝑥 Colinear ⟨𝑃, 𝑄⟩ → (𝑥 = 𝑃 ∨ ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)))))
34 colineartriv1 35902 . . . . . . . . . . . . 13 ((𝑁 ∈ ℕ ∧ 𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁)) → 𝑃 Colinear ⟨𝑃, 𝑄⟩)
351, 3, 4, 34syl3anc 1368 . . . . . . . . . . . 12 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → 𝑃 Colinear ⟨𝑃, 𝑄⟩)
36 breq1 5147 . . . . . . . . . . . 12 (𝑥 = 𝑃 → (𝑥 Colinear ⟨𝑃, 𝑄⟩ ↔ 𝑃 Colinear ⟨𝑃, 𝑄⟩))
3735, 36syl5ibrcom 246 . . . . . . . . . . 11 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → (𝑥 = 𝑃𝑥 Colinear ⟨𝑃, 𝑄⟩))
3837adantr 479 . . . . . . . . . 10 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → (𝑥 = 𝑃𝑥 Colinear ⟨𝑃, 𝑄⟩))
39 btwncolinear3 35906 . . . . . . . . . . . . . 14 ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑥 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁))) → (𝑄 Btwn ⟨𝑃, 𝑥⟩ → 𝑥 Colinear ⟨𝑃, 𝑄⟩))
401, 3, 2, 4, 39syl13anc 1369 . . . . . . . . . . . . 13 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → (𝑄 Btwn ⟨𝑃, 𝑥⟩ → 𝑥 Colinear ⟨𝑃, 𝑄⟩))
41 btwncolinear5 35908 . . . . . . . . . . . . . 14 ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑥 ∈ (𝔼‘𝑁))) → (𝑥 Btwn ⟨𝑃, 𝑄⟩ → 𝑥 Colinear ⟨𝑃, 𝑄⟩))
421, 3, 4, 2, 41syl13anc 1369 . . . . . . . . . . . . 13 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → (𝑥 Btwn ⟨𝑃, 𝑄⟩ → 𝑥 Colinear ⟨𝑃, 𝑄⟩))
4340, 42jaod 857 . . . . . . . . . . . 12 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) → 𝑥 Colinear ⟨𝑃, 𝑄⟩))
4443adantr 479 . . . . . . . . . . 11 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) → 𝑥 Colinear ⟨𝑃, 𝑄⟩))
45 simpl3r 1226 . . . . . . . . . . . . . . . . 17 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → 𝑃𝑅)
4645adantr 479 . . . . . . . . . . . . . . . 16 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ (𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑅 Btwn ⟨𝑃, 𝑥⟩)) → 𝑃𝑅)
47 simprl 769 . . . . . . . . . . . . . . . 16 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ (𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑅 Btwn ⟨𝑃, 𝑥⟩)) → 𝑃 Btwn ⟨𝑄, 𝑅⟩)
48 simprr 771 . . . . . . . . . . . . . . . 16 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ (𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑅 Btwn ⟨𝑃, 𝑥⟩)) → 𝑅 Btwn ⟨𝑃, 𝑥⟩)
4946, 47, 483jca 1125 . . . . . . . . . . . . . . 15 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ (𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑅 Btwn ⟨𝑃, 𝑥⟩)) → (𝑃𝑅𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑅 Btwn ⟨𝑃, 𝑥⟩))
50 btwnouttr 35859 . . . . . . . . . . . . . . . . 17 ((𝑁 ∈ ℕ ∧ (𝑄 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁)) ∧ (𝑅 ∈ (𝔼‘𝑁) ∧ 𝑥 ∈ (𝔼‘𝑁))) → ((𝑃𝑅𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑅 Btwn ⟨𝑃, 𝑥⟩) → 𝑃 Btwn ⟨𝑄, 𝑥⟩))
511, 4, 3, 17, 2, 50syl122anc 1376 . . . . . . . . . . . . . . . 16 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → ((𝑃𝑅𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑅 Btwn ⟨𝑃, 𝑥⟩) → 𝑃 Btwn ⟨𝑄, 𝑥⟩))
5251adantr 479 . . . . . . . . . . . . . . 15 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ (𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑅 Btwn ⟨𝑃, 𝑥⟩)) → ((𝑃𝑅𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑅 Btwn ⟨𝑃, 𝑥⟩) → 𝑃 Btwn ⟨𝑄, 𝑥⟩))
5349, 52mpd 15 . . . . . . . . . . . . . 14 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ (𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑅 Btwn ⟨𝑃, 𝑥⟩)) → 𝑃 Btwn ⟨𝑄, 𝑥⟩)
54 btwncolinear4 35907 . . . . . . . . . . . . . . . 16 ((𝑁 ∈ ℕ ∧ (𝑄 ∈ (𝔼‘𝑁) ∧ 𝑥 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → (𝑃 Btwn ⟨𝑄, 𝑥⟩ → 𝑥 Colinear ⟨𝑃, 𝑄⟩))
551, 4, 2, 3, 54syl13anc 1369 . . . . . . . . . . . . . . 15 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → (𝑃 Btwn ⟨𝑄, 𝑥⟩ → 𝑥 Colinear ⟨𝑃, 𝑄⟩))
5655adantr 479 . . . . . . . . . . . . . 14 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ (𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑅 Btwn ⟨𝑃, 𝑥⟩)) → (𝑃 Btwn ⟨𝑄, 𝑥⟩ → 𝑥 Colinear ⟨𝑃, 𝑄⟩))
5753, 56mpd 15 . . . . . . . . . . . . 13 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ (𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑅 Btwn ⟨𝑃, 𝑥⟩)) → 𝑥 Colinear ⟨𝑃, 𝑄⟩)
5857expr 455 . . . . . . . . . . . 12 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → (𝑅 Btwn ⟨𝑃, 𝑥⟩ → 𝑥 Colinear ⟨𝑃, 𝑄⟩))
59 simprr 771 . . . . . . . . . . . . . . . 16 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ (𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑥 Btwn ⟨𝑃, 𝑅⟩)) → 𝑥 Btwn ⟨𝑃, 𝑅⟩)
601, 2, 3, 17, 59btwncomand 35850 . . . . . . . . . . . . . . 15 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ (𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑥 Btwn ⟨𝑃, 𝑅⟩)) → 𝑥 Btwn ⟨𝑅, 𝑃⟩)
61 simprl 769 . . . . . . . . . . . . . . . 16 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ (𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑥 Btwn ⟨𝑃, 𝑅⟩)) → 𝑃 Btwn ⟨𝑄, 𝑅⟩)
621, 3, 4, 17, 61btwncomand 35850 . . . . . . . . . . . . . . 15 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ (𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑥 Btwn ⟨𝑃, 𝑅⟩)) → 𝑃 Btwn ⟨𝑅, 𝑄⟩)
631, 17, 2, 3, 4, 60, 62btwnexch3and 35856 . . . . . . . . . . . . . 14 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ (𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑥 Btwn ⟨𝑃, 𝑅⟩)) → 𝑃 Btwn ⟨𝑥, 𝑄⟩)
64 btwncolinear2 35905 . . . . . . . . . . . . . . . 16 ((𝑁 ∈ ℕ ∧ (𝑥 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑃 ∈ (𝔼‘𝑁))) → (𝑃 Btwn ⟨𝑥, 𝑄⟩ → 𝑥 Colinear ⟨𝑃, 𝑄⟩))
651, 2, 4, 3, 64syl13anc 1369 . . . . . . . . . . . . . . 15 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → (𝑃 Btwn ⟨𝑥, 𝑄⟩ → 𝑥 Colinear ⟨𝑃, 𝑄⟩))
6665adantr 479 . . . . . . . . . . . . . 14 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ (𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑥 Btwn ⟨𝑃, 𝑅⟩)) → (𝑃 Btwn ⟨𝑥, 𝑄⟩ → 𝑥 Colinear ⟨𝑃, 𝑄⟩))
6763, 66mpd 15 . . . . . . . . . . . . 13 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ (𝑃 Btwn ⟨𝑄, 𝑅⟩ ∧ 𝑥 Btwn ⟨𝑃, 𝑅⟩)) → 𝑥 Colinear ⟨𝑃, 𝑄⟩)
6867expr 455 . . . . . . . . . . . 12 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → (𝑥 Btwn ⟨𝑃, 𝑅⟩ → 𝑥 Colinear ⟨𝑃, 𝑄⟩))
6958, 68jaod 857 . . . . . . . . . . 11 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → ((𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩) → 𝑥 Colinear ⟨𝑃, 𝑄⟩))
7044, 69jaod 857 . . . . . . . . . 10 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → (((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)) → 𝑥 Colinear ⟨𝑃, 𝑄⟩))
7138, 70jaod 857 . . . . . . . . 9 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → ((𝑥 = 𝑃 ∨ ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))) → 𝑥 Colinear ⟨𝑃, 𝑄⟩))
7233, 71impbid 211 . . . . . . . 8 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → (𝑥 Colinear ⟨𝑃, 𝑄⟩ ↔ (𝑥 = 𝑃 ∨ ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)))))
73 pm5.63 1017 . . . . . . . . 9 ((𝑥 = 𝑃 ∨ ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))) ↔ (𝑥 = 𝑃 ∨ (¬ 𝑥 = 𝑃 ∧ ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)))))
74 df-ne 2931 . . . . . . . . . . . 12 (𝑥𝑃 ↔ ¬ 𝑥 = 𝑃)
7574anbi1i 622 . . . . . . . . . . 11 ((𝑥𝑃 ∧ ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))) ↔ (¬ 𝑥 = 𝑃 ∧ ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))))
76 andi 1005 . . . . . . . . . . 11 ((𝑥𝑃 ∧ ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))) ↔ ((𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩)) ∨ (𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))))
7775, 76bitr3i 276 . . . . . . . . . 10 ((¬ 𝑥 = 𝑃 ∧ ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))) ↔ ((𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩)) ∨ (𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))))
7877orbi2i 910 . . . . . . . . 9 ((𝑥 = 𝑃 ∨ (¬ 𝑥 = 𝑃 ∧ ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)))) ↔ (𝑥 = 𝑃 ∨ ((𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩)) ∨ (𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)))))
7973, 78bitri 274 . . . . . . . 8 ((𝑥 = 𝑃 ∨ ((𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩) ∨ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))) ↔ (𝑥 = 𝑃 ∨ ((𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩)) ∨ (𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)))))
8072, 79bitrdi 286 . . . . . . 7 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → (𝑥 Colinear ⟨𝑃, 𝑄⟩ ↔ (𝑥 = 𝑃 ∨ ((𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩)) ∨ (𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))))))
81 broutsideof2 35957 . . . . . . . . . . . 12 ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑥 ∈ (𝔼‘𝑁))) → (𝑃OutsideOf⟨𝑄, 𝑥⟩ ↔ (𝑄𝑃𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩))))
821, 3, 4, 2, 81syl13anc 1369 . . . . . . . . . . 11 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → (𝑃OutsideOf⟨𝑄, 𝑥⟩ ↔ (𝑄𝑃𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩))))
83 3simpc 1147 . . . . . . . . . . . 12 ((𝑄𝑃𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩)) → (𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩)))
84 simpl3l 1225 . . . . . . . . . . . . . . 15 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ (𝑥 ∈ (𝔼‘𝑁) ∧ (𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩)))) → 𝑃𝑄)
8584necomd 2986 . . . . . . . . . . . . . 14 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ (𝑥 ∈ (𝔼‘𝑁) ∧ (𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩)))) → 𝑄𝑃)
86 simprrl 779 . . . . . . . . . . . . . 14 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ (𝑥 ∈ (𝔼‘𝑁) ∧ (𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩)))) → 𝑥𝑃)
87 simprrr 780 . . . . . . . . . . . . . 14 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ (𝑥 ∈ (𝔼‘𝑁) ∧ (𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩)))) → (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩))
8885, 86, 873jca 1125 . . . . . . . . . . . . 13 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ (𝑥 ∈ (𝔼‘𝑁) ∧ (𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩)))) → (𝑄𝑃𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩)))
8988expr 455 . . . . . . . . . . . 12 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → ((𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩)) → (𝑄𝑃𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩))))
9083, 89impbid2 225 . . . . . . . . . . 11 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → ((𝑄𝑃𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩)) ↔ (𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩))))
9182, 90bitrd 278 . . . . . . . . . 10 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → (𝑃OutsideOf⟨𝑄, 𝑥⟩ ↔ (𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩))))
92 broutsideof2 35957 . . . . . . . . . . . 12 ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝑥 ∈ (𝔼‘𝑁))) → (𝑃OutsideOf⟨𝑅, 𝑥⟩ ↔ (𝑅𝑃𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))))
931, 3, 17, 2, 92syl13anc 1369 . . . . . . . . . . 11 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → (𝑃OutsideOf⟨𝑅, 𝑥⟩ ↔ (𝑅𝑃𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))))
94 3simpc 1147 . . . . . . . . . . . 12 ((𝑅𝑃𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)) → (𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)))
95 simpl3r 1226 . . . . . . . . . . . . . . 15 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ (𝑥 ∈ (𝔼‘𝑁) ∧ (𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)))) → 𝑃𝑅)
9695necomd 2986 . . . . . . . . . . . . . 14 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ (𝑥 ∈ (𝔼‘𝑁) ∧ (𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)))) → 𝑅𝑃)
97 simprrl 779 . . . . . . . . . . . . . 14 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ (𝑥 ∈ (𝔼‘𝑁) ∧ (𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)))) → 𝑥𝑃)
98 simprrr 780 . . . . . . . . . . . . . 14 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ (𝑥 ∈ (𝔼‘𝑁) ∧ (𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)))) → (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))
9996, 97, 983jca 1125 . . . . . . . . . . . . 13 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ (𝑥 ∈ (𝔼‘𝑁) ∧ (𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)))) → (𝑅𝑃𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)))
10099expr 455 . . . . . . . . . . . 12 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → ((𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)) → (𝑅𝑃𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))))
10194, 100impbid2 225 . . . . . . . . . . 11 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → ((𝑅𝑃𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)) ↔ (𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))))
10293, 101bitrd 278 . . . . . . . . . 10 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → (𝑃OutsideOf⟨𝑅, 𝑥⟩ ↔ (𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))))
10391, 102orbi12d 916 . . . . . . . . 9 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) → ((𝑃OutsideOf⟨𝑄, 𝑥⟩ ∨ 𝑃OutsideOf⟨𝑅, 𝑥⟩) ↔ ((𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩)) ∨ (𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)))))
104103adantr 479 . . . . . . . 8 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → ((𝑃OutsideOf⟨𝑄, 𝑥⟩ ∨ 𝑃OutsideOf⟨𝑅, 𝑥⟩) ↔ ((𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩)) ∨ (𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩)))))
105104orbi2d 913 . . . . . . 7 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → ((𝑥 = 𝑃 ∨ (𝑃OutsideOf⟨𝑄, 𝑥⟩ ∨ 𝑃OutsideOf⟨𝑅, 𝑥⟩)) ↔ (𝑥 = 𝑃 ∨ ((𝑥𝑃 ∧ (𝑄 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑄⟩)) ∨ (𝑥𝑃 ∧ (𝑅 Btwn ⟨𝑃, 𝑥⟩ ∨ 𝑥 Btwn ⟨𝑃, 𝑅⟩))))))
10680, 105bitr4d 281 . . . . . 6 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → (𝑥 Colinear ⟨𝑃, 𝑄⟩ ↔ (𝑥 = 𝑃 ∨ (𝑃OutsideOf⟨𝑄, 𝑥⟩ ∨ 𝑃OutsideOf⟨𝑅, 𝑥⟩))))
107 orcom 868 . . . . . . 7 ((𝑥 = 𝑃 ∨ (𝑃OutsideOf⟨𝑄, 𝑥⟩ ∨ 𝑃OutsideOf⟨𝑅, 𝑥⟩)) ↔ ((𝑃OutsideOf⟨𝑄, 𝑥⟩ ∨ 𝑃OutsideOf⟨𝑅, 𝑥⟩) ∨ 𝑥 = 𝑃))
108 or32 923 . . . . . . 7 (((𝑃OutsideOf⟨𝑄, 𝑥⟩ ∨ 𝑃OutsideOf⟨𝑅, 𝑥⟩) ∨ 𝑥 = 𝑃) ↔ ((𝑃OutsideOf⟨𝑄, 𝑥⟩ ∨ 𝑥 = 𝑃) ∨ 𝑃OutsideOf⟨𝑅, 𝑥⟩))
109107, 108bitri 274 . . . . . 6 ((𝑥 = 𝑃 ∨ (𝑃OutsideOf⟨𝑄, 𝑥⟩ ∨ 𝑃OutsideOf⟨𝑅, 𝑥⟩)) ↔ ((𝑃OutsideOf⟨𝑄, 𝑥⟩ ∨ 𝑥 = 𝑃) ∨ 𝑃OutsideOf⟨𝑅, 𝑥⟩))
110106, 109bitrdi 286 . . . . 5 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑥 ∈ (𝔼‘𝑁)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → (𝑥 Colinear ⟨𝑃, 𝑄⟩ ↔ ((𝑃OutsideOf⟨𝑄, 𝑥⟩ ∨ 𝑥 = 𝑃) ∨ 𝑃OutsideOf⟨𝑅, 𝑥⟩)))
111110an32s 650 . . . 4 ((((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) ∧ 𝑥 ∈ (𝔼‘𝑁)) → (𝑥 Colinear ⟨𝑃, 𝑄⟩ ↔ ((𝑃OutsideOf⟨𝑄, 𝑥⟩ ∨ 𝑥 = 𝑃) ∨ 𝑃OutsideOf⟨𝑅, 𝑥⟩)))
112111rabbidva 3427 . . 3 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑥 Colinear ⟨𝑃, 𝑄⟩} = {𝑥 ∈ (𝔼‘𝑁) ∣ ((𝑃OutsideOf⟨𝑄, 𝑥⟩ ∨ 𝑥 = 𝑃) ∨ 𝑃OutsideOf⟨𝑅, 𝑥⟩)})
113 simp1 1133 . . . . 5 ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) → 𝑁 ∈ ℕ)
114 simp21 1203 . . . . 5 ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) → 𝑃 ∈ (𝔼‘𝑁))
115 simp22 1204 . . . . 5 ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) → 𝑄 ∈ (𝔼‘𝑁))
116 simp3l 1198 . . . . 5 ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) → 𝑃𝑄)
117 fvline2 35981 . . . . 5 ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑃𝑄)) → (𝑃Line𝑄) = {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑥 Colinear ⟨𝑃, 𝑄⟩})
118113, 114, 115, 116, 117syl13anc 1369 . . . 4 ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) → (𝑃Line𝑄) = {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑥 Colinear ⟨𝑃, 𝑄⟩})
119118adantr 479 . . 3 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → (𝑃Line𝑄) = {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑥 Colinear ⟨𝑃, 𝑄⟩})
120 fvray 35976 . . . . . . . 8 ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑃𝑄)) → (𝑃Ray𝑄) = {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑃OutsideOf⟨𝑄, 𝑥⟩})
121113, 114, 115, 116, 120syl13anc 1369 . . . . . . 7 ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) → (𝑃Ray𝑄) = {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑃OutsideOf⟨𝑄, 𝑥⟩})
122 rabsn 4721 . . . . . . . . 9 (𝑃 ∈ (𝔼‘𝑁) → {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑥 = 𝑃} = {𝑃})
123114, 122syl 17 . . . . . . . 8 ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) → {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑥 = 𝑃} = {𝑃})
124123eqcomd 2732 . . . . . . 7 ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) → {𝑃} = {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑥 = 𝑃})
125121, 124uneq12d 4162 . . . . . 6 ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) → ((𝑃Ray𝑄) ∪ {𝑃}) = ({𝑥 ∈ (𝔼‘𝑁) ∣ 𝑃OutsideOf⟨𝑄, 𝑥⟩} ∪ {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑥 = 𝑃}))
126 simp23 1205 . . . . . . 7 ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) → 𝑅 ∈ (𝔼‘𝑁))
127 simp3r 1199 . . . . . . 7 ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) → 𝑃𝑅)
128 fvray 35976 . . . . . . 7 ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁) ∧ 𝑃𝑅)) → (𝑃Ray𝑅) = {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑃OutsideOf⟨𝑅, 𝑥⟩})
129113, 114, 126, 127, 128syl13anc 1369 . . . . . 6 ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) → (𝑃Ray𝑅) = {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑃OutsideOf⟨𝑅, 𝑥⟩})
130125, 129uneq12d 4162 . . . . 5 ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) → (((𝑃Ray𝑄) ∪ {𝑃}) ∪ (𝑃Ray𝑅)) = (({𝑥 ∈ (𝔼‘𝑁) ∣ 𝑃OutsideOf⟨𝑄, 𝑥⟩} ∪ {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑥 = 𝑃}) ∪ {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑃OutsideOf⟨𝑅, 𝑥⟩}))
131130adantr 479 . . . 4 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → (((𝑃Ray𝑄) ∪ {𝑃}) ∪ (𝑃Ray𝑅)) = (({𝑥 ∈ (𝔼‘𝑁) ∣ 𝑃OutsideOf⟨𝑄, 𝑥⟩} ∪ {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑥 = 𝑃}) ∪ {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑃OutsideOf⟨𝑅, 𝑥⟩}))
132 unrab 4305 . . . . . 6 ({𝑥 ∈ (𝔼‘𝑁) ∣ 𝑃OutsideOf⟨𝑄, 𝑥⟩} ∪ {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑥 = 𝑃}) = {𝑥 ∈ (𝔼‘𝑁) ∣ (𝑃OutsideOf⟨𝑄, 𝑥⟩ ∨ 𝑥 = 𝑃)}
133132uneq1i 4157 . . . . 5 (({𝑥 ∈ (𝔼‘𝑁) ∣ 𝑃OutsideOf⟨𝑄, 𝑥⟩} ∪ {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑥 = 𝑃}) ∪ {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑃OutsideOf⟨𝑅, 𝑥⟩}) = ({𝑥 ∈ (𝔼‘𝑁) ∣ (𝑃OutsideOf⟨𝑄, 𝑥⟩ ∨ 𝑥 = 𝑃)} ∪ {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑃OutsideOf⟨𝑅, 𝑥⟩})
134 unrab 4305 . . . . 5 ({𝑥 ∈ (𝔼‘𝑁) ∣ (𝑃OutsideOf⟨𝑄, 𝑥⟩ ∨ 𝑥 = 𝑃)} ∪ {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑃OutsideOf⟨𝑅, 𝑥⟩}) = {𝑥 ∈ (𝔼‘𝑁) ∣ ((𝑃OutsideOf⟨𝑄, 𝑥⟩ ∨ 𝑥 = 𝑃) ∨ 𝑃OutsideOf⟨𝑅, 𝑥⟩)}
135133, 134eqtri 2754 . . . 4 (({𝑥 ∈ (𝔼‘𝑁) ∣ 𝑃OutsideOf⟨𝑄, 𝑥⟩} ∪ {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑥 = 𝑃}) ∪ {𝑥 ∈ (𝔼‘𝑁) ∣ 𝑃OutsideOf⟨𝑅, 𝑥⟩}) = {𝑥 ∈ (𝔼‘𝑁) ∣ ((𝑃OutsideOf⟨𝑄, 𝑥⟩ ∨ 𝑥 = 𝑃) ∨ 𝑃OutsideOf⟨𝑅, 𝑥⟩)}
136131, 135eqtrdi 2782 . . 3 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → (((𝑃Ray𝑄) ∪ {𝑃}) ∪ (𝑃Ray𝑅)) = {𝑥 ∈ (𝔼‘𝑁) ∣ ((𝑃OutsideOf⟨𝑄, 𝑥⟩ ∨ 𝑥 = 𝑃) ∨ 𝑃OutsideOf⟨𝑅, 𝑥⟩)})
137112, 119, 1363eqtr4d 2776 . 2 (((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) ∧ 𝑃 Btwn ⟨𝑄, 𝑅⟩) → (𝑃Line𝑄) = (((𝑃Ray𝑄) ∪ {𝑃}) ∪ (𝑃Ray𝑅)))
138137ex 411 1 ((𝑁 ∈ ℕ ∧ (𝑃 ∈ (𝔼‘𝑁) ∧ 𝑄 ∈ (𝔼‘𝑁) ∧ 𝑅 ∈ (𝔼‘𝑁)) ∧ (𝑃𝑄𝑃𝑅)) → (𝑃 Btwn ⟨𝑄, 𝑅⟩ → (𝑃Line𝑄) = (((𝑃Ray𝑄) ∪ {𝑃}) ∪ (𝑃Ray𝑅))))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wb 205  wa 394  wo 845  w3o 1083  w3a 1084   = wceq 1534  wcel 2099  wne 2930  {crab 3420  cun 3945  {csn 4624  cop 4630   class class class wbr 5144  cfv 6544  (class class class)co 7414  cn 12256  𝔼cee 28817   Btwn cbtwn 28818   Colinear ccolin 35872  OutsideOfcoutsideof 35954  Linecline2 35969  Raycray 35970
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1790  ax-4 1804  ax-5 1906  ax-6 1964  ax-7 2004  ax-8 2101  ax-9 2109  ax-10 2130  ax-11 2147  ax-12 2167  ax-ext 2697  ax-rep 5281  ax-sep 5295  ax-nul 5302  ax-pow 5360  ax-pr 5424  ax-un 7736  ax-inf2 9675  ax-cnex 11203  ax-resscn 11204  ax-1cn 11205  ax-icn 11206  ax-addcl 11207  ax-addrcl 11208  ax-mulcl 11209  ax-mulrcl 11210  ax-mulcom 11211  ax-addass 11212  ax-mulass 11213  ax-distr 11214  ax-i2m1 11215  ax-1ne0 11216  ax-1rid 11217  ax-rnegex 11218  ax-rrecex 11219  ax-cnre 11220  ax-pre-lttri 11221  ax-pre-lttrn 11222  ax-pre-ltadd 11223  ax-pre-mulgt0 11224  ax-pre-sup 11225
This theorem depends on definitions:  df-bi 206  df-an 395  df-or 846  df-3or 1085  df-3an 1086  df-tru 1537  df-fal 1547  df-ex 1775  df-nf 1779  df-sb 2061  df-mo 2529  df-eu 2558  df-clab 2704  df-cleq 2718  df-clel 2803  df-nfc 2878  df-ne 2931  df-nel 3037  df-ral 3052  df-rex 3061  df-rmo 3365  df-reu 3366  df-rab 3421  df-v 3465  df-sbc 3777  df-csb 3893  df-dif 3950  df-un 3952  df-in 3954  df-ss 3964  df-pss 3967  df-nul 4324  df-if 4525  df-pw 4600  df-sn 4625  df-pr 4627  df-op 4631  df-uni 4907  df-int 4948  df-iun 4996  df-br 5145  df-opab 5207  df-mpt 5228  df-tr 5262  df-id 5571  df-eprel 5577  df-po 5585  df-so 5586  df-fr 5628  df-se 5629  df-we 5630  df-xp 5679  df-rel 5680  df-cnv 5681  df-co 5682  df-dm 5683  df-rn 5684  df-res 5685  df-ima 5686  df-pred 6303  df-ord 6369  df-on 6370  df-lim 6371  df-suc 6372  df-iota 6496  df-fun 6546  df-fn 6547  df-f 6548  df-f1 6549  df-fo 6550  df-f1o 6551  df-fv 6552  df-isom 6553  df-riota 7370  df-ov 7417  df-oprab 7418  df-mpo 7419  df-om 7867  df-1st 7993  df-2nd 7994  df-frecs 8286  df-wrecs 8317  df-recs 8391  df-rdg 8430  df-1o 8486  df-er 8724  df-ec 8726  df-map 8847  df-en 8965  df-dom 8966  df-sdom 8967  df-fin 8968  df-sup 9476  df-oi 9544  df-card 9973  df-pnf 11289  df-mnf 11290  df-xr 11291  df-ltxr 11292  df-le 11293  df-sub 11485  df-neg 11486  df-div 11911  df-nn 12257  df-2 12319  df-3 12320  df-n0 12517  df-z 12603  df-uz 12867  df-rp 13021  df-ico 13376  df-icc 13377  df-fz 13531  df-fzo 13674  df-seq 14014  df-exp 14074  df-hash 14341  df-cj 15097  df-re 15098  df-im 15099  df-sqrt 15233  df-abs 15234  df-clim 15483  df-sum 15684  df-ee 28820  df-btwn 28821  df-cgr 28822  df-ofs 35818  df-colinear 35874  df-ifs 35875  df-cgr3 35876  df-fs 35877  df-outsideof 35955  df-line2 35972  df-ray 35973
This theorem is referenced by: (None)
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