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Step * of Lemma set-ss-sep

∀[ss,P,x,y:Top].  (x # y ~ x # y)
BY
{ (RepUR ``ss-sep set-ss mk-ss`` 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[ss,P,x,y:Top].    (x  \#  y  \msim{}  x  \#  y)


By

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Latex:
(RepUR  ``ss-sep  set-ss  mk-ss``  0  THEN  Auto)

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