Step
*
1
1
of Lemma
colinear-implies-congruent_or_midpoint
1. e : BasicGeometry
2. M : Point
3. A : Point
4. B : Point
5. Colinear(A;M;B)
6. MA ≅ MB
7. ¬(A ≡ B ∨ A=M=B)
⊢ False
BY
{ (gSeparatedCases ⌜A⌝ ⌜B⌝⋅ THENA Auto) }
1
1. e : BasicGeometry
2. M : Point
3. A : Point
4. B : Point
5. Colinear(A;M;B)
6. MA ≅ MB
7. ¬(A ≡ B ∨ A=M=B)
8. A ≠ B
⊢ False
Latex:
Latex:
1. e : BasicGeometry
2. M : Point
3. A : Point
4. B : Point
5. Colinear(A;M;B)
6. MA \mcong{} MB
7. \mneg{}(A \mequiv{} B \mvee{} A=M=B)
\mvdash{} False
By
Latex:
(gSeparatedCases \mkleeneopen{}A\mkleeneclose{} \mkleeneopen{}B\mkleeneclose{}\mcdot{} THENA Auto)
Home
Index