Step
*
of Lemma
left-symmetry
No Annotations
∀g:EuclideanPlane. ∀a,b,c:Point.  (a leftof bc 
⇒ b leftof ca)
BY
{ UseEuAxioms }
Latex:
Latex:
No  Annotations
\mforall{}g:EuclideanPlane.  \mforall{}a,b,c:Point.    (a  leftof  bc  {}\mRightarrow{}  b  leftof  ca)
By
Latex:
UseEuAxioms
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