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Step * of Lemma req_transitivity

∀[a,b,c:ℝ].  (a = c) supposing ((b = c) and (a = b))
BY
{ ((InstLemma `req-equiv` [] THEN D 1) THEN Auto)⋅ }

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Latex:

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Latex:
\mforall{}[a,b,c:\mBbbR{}].    (a  =  c)  supposing  ((b  =  c)  and  (a  =  b))


By

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Latex:
((InstLemma  `req-equiv`  []  THEN  D  1)  THEN  Auto)\mcdot{}

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