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Step * of Lemma geo-congruent-flip-seg

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∀e:BasicGeometry. ∀[a,b:Point].  geo-seg-congruent(e; ab; ba)
BY
{ (Auto THEN RepUR ``geo-seg-congruent`` 0 THEN Auto) }

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Latex:

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Latex:
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\mforall{}e:BasicGeometry.  \mforall{}[a,b:Point].    geo-seg-congruent(e;  ab;  ba)


By

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Latex:
(Auto  THEN  RepUR  ``geo-seg-congruent``  0  THEN  Auto)

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