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Step * of Lemma geo-seg-length-test-ext

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∀e:BasicGeometry. ∀[a,b,c,d,x,y:Point].  (ba ≅ xy) supposing (dc ≅ yx and ab ≅ cd)
BY
{ Extract of Obid: geo-seg-length-test
  normalizes to:
  
  λe,v. Ax
  finishing with Auto⋅ }

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Latex:

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Latex:
No  Annotations
\mforall{}e:BasicGeometry.  \mforall{}[a,b,c,d,x,y:Point].    (ba  \mcong{}  xy)  supposing  (dc  \mcong{}  yx  and  ab  \mcong{}  cd)


By

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Latex:
Extract  of  Obid:  geo-seg-length-test
normalizes  to:

\mlambda{}e,v.  Ax
finishing  with  Auto\mcdot{}

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