Step
*
1
of Lemma
not-left-and-right
1. g : EuclideanPlane
2. a : Point
3. b : Point
4. c : Point
5. a leftof bc
6. a leftof cb
⊢ False
BY
{ ((FLemma `use-plane-sep` [-1;-2] THENA Auto) THEN ExRepD) }
1
1. g : EuclideanPlane
2. a : Point
3. b : Point
4. c : Point
5. a leftof bc
6. a leftof cb
7. x : Point
8. Colinear(c;b;x)
9. B(axa)
⊢ False
Latex:
Latex:
1. g : EuclideanPlane
2. a : Point
3. b : Point
4. c : Point
5. a leftof bc
6. a leftof cb
\mvdash{} False
By
Latex:
((FLemma `use-plane-sep` [-1;-2] THENA Auto) THEN ExRepD)
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