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Step * of Lemma even-iff-not-odd

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

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Latex:

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


By

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

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