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Step * of Lemma geo-congruent-right-comm

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∀e:EuclideanPlane. ∀[a,b,c,d:Point].  ab ≅ dc supposing ab ≅ cd
BY
{ (Auto THEN InstLemma  `geo-congruent-full-symmetry` [⌜e⌝;⌜a⌝;⌜b⌝;⌜c⌝;⌜d⌝]⋅ THEN Auto) }

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Latex:

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Latex:
No  Annotations
\mforall{}e:EuclideanPlane.  \mforall{}[a,b,c,d:Point].    ab  \mcong{}  dc  supposing  ab  \mcong{}  cd


By

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Latex:
(Auto  THEN  InstLemma    `geo-congruent-full-symmetry`  [\mkleeneopen{}e\mkleeneclose{};\mkleeneopen{}a\mkleeneclose{};\mkleeneopen{}b\mkleeneclose{};\mkleeneopen{}c\mkleeneclose{};\mkleeneopen{}d\mkleeneclose{}]\mcdot{}  THEN  Auto)

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