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Step * of Lemma req-equiv

EquivRel(ℝ;x,y.x = y)
BY
{ (RWO "req-iff-bdd-diff" 0 THEN Auto THEN BLemma `equiv_rel_subtype` THEN Auto) }

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Latex:

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Latex:
EquivRel(\mBbbR{};x,y.x  =  y)


By

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Latex:
(RWO  "req-iff-bdd-diff"  0  THEN  Auto  THEN  BLemma  `equiv\_rel\_subtype`  THEN  Auto)

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