Step
*
of Lemma
geo-between-same-side-or
∀e:BasicGeometry. ∀A,B,C,d:Point. ((A # B ∧ C # d)
⇒ B(ABC)
⇒ B(ABd)
⇒ (B(ACd) ∨ B(AdC)))
BY
{ Auto }
1
1. e : BasicGeometry
2. A : Point
3. B : Point
4. C : Point
5. d : Point
6. A # B
7. C # d
8. B(ABC)
9. B(ABd)
⊢ B(ACd) ∨ B(AdC)
Latex:
Latex:
\mforall{}e:BasicGeometry. \mforall{}A,B,C,d:Point. ((A \# B \mwedge{} C \# d) {}\mRightarrow{} B(ABC) {}\mRightarrow{} B(ABd) {}\mRightarrow{} (B(ACd) \mvee{} B(AdC)))
By
Latex:
Auto
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