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Step * of Lemma odd-iff-not-even

∀[n:ℤ]. uiff(↑isOdd(n);¬↑isEven(n))
BY
{ (Auto
   THEN Try (Complete ((FLemma `odd-implies` [-1] THEN Auto)))
   THEN InstLemma `odd-or-even` [⌜n⌝]⋅
   THEN Auto
   THEN AllPushDown
   THEN D (-1)
   THEN Auto) }

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Latex:

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Latex:
\mforall{}[n:\mBbbZ{}].  uiff(\muparrow{}isOdd(n);\mneg{}\muparrow{}isEven(n))


By

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Latex:
(Auto
  THEN  Try  (Complete  ((FLemma  `odd-implies`  [-1]  THEN  Auto)))
  THEN  InstLemma  `odd-or-even`  [\mkleeneopen{}n\mkleeneclose{}]\mcdot{}
  THEN  Auto
  THEN  AllPushDown
  THEN  D  (-1)
  THEN  Auto)

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