Step
*
of Lemma
eu-le_transitivity
∀e:EuclideanPlane. ∀[p,q,r:{p:Point| O_X_p} ]. (p ≤ r) supposing (q ≤ r and p ≤ q)
BY
{ (Auto THEN All (Unfold `eu-le`) THEN Unhide THEN Auto) }
Latex:
Latex:
\mforall{}e:EuclideanPlane. \mforall{}[p,q,r:\{p:Point| O\_X\_p\} ]. (p \mleq{} r) supposing (q \mleq{} r and p \mleq{} q)
By
Latex:
(Auto THEN All (Unfold `eu-le`) THEN Unhide THEN Auto)
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