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Step * of Lemma qle-int

∀[x,y:ℤ].  uiff(x ≤ y;x ≤ y)
BY
{ TACTIC:TACTIC:((UnivCD THENA Auto) THEN QCompute 0 THEN RW assert_pushdownC 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[x,y:\mBbbZ{}].    uiff(x  \mleq{}  y;x  \mleq{}  y)


By

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Latex:
TACTIC:TACTIC:((UnivCD  THENA  Auto)  THEN  QCompute  0  THEN  RW  assert\_pushdownC  0  THEN  Auto)

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