Step * of Lemma geo-not-left-convex

g:OrientedPlane. ∀a,b:Point.  IsConvex(x.¬leftof ab)
BY
(ByOPAxioms THEN Auto)⋅ }

1
1. OrientedPlane
2. BasicGeometryAxioms(g)
3. geo-left-axioms(g)
4. Point
5. Point
⊢ IsConvex(x.¬leftof ab)


Latex:


Latex:
\mforall{}g:OrientedPlane.  \mforall{}a,b:Point.    IsConvex(x.\mneg{}x  leftof  ab)


By


Latex:
(ByOPAxioms  THEN  Auto)\mcdot{}




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