Step
*
of Lemma
exp_wf3
∀[v:ℤ-o]. ∀[n:ℕ]. (v^n ∈ ℤ-o)
BY
{ (Unfold `exp` 0
THEN (InductionOnNat
THEN (RWO "primrec-unroll" 0 THENA Auto)
THEN Reduce 0
THEN Try (ParallelLast)
THEN Auto
THEN All (Fold `exp`)
THEN MemTypeCD
THEN Auto)
) }
Latex:
Latex:
\mforall{}[v:\mBbbZ{}\msupminus{}\msupzero{}]. \mforall{}[n:\mBbbN{}]. (v\^{}n \mmember{} \mBbbZ{}\msupminus{}\msupzero{})
By
Latex:
(Unfold `exp` 0
THEN (InductionOnNat
THEN (RWO "primrec-unroll" 0 THENA Auto)
THEN Reduce 0
THEN Try (ParallelLast)
THEN Auto
THEN All (Fold `exp`)
THEN MemTypeCD
THEN Auto)
)
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