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Step * 1 of Lemma infinitesmal-difference


1. x : ℝ
2. y : ℝ
⊢ uiff(x = y;(x - y) = r0)
BY
{ Auto }

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Latex:

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Latex:

1.  x  :  \mBbbR{}
2.  y  :  \mBbbR{}
\mvdash{}  uiff(x  =  y;(x  -  y)  =  r0)


By

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Latex:
Auto

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