Step
*
of Lemma
nat-id-fun-ext
∀n:ℕ. (∃m:ℕ [(m = n ∈ ℕ)])
BY
{ Extract of Obid: nat-id-fun-example
not unfolding primrec
finishing with Auto
normalizes to:
λn.(primrec(n + 1;λn.Ax;λi,x,n. if n=(i + 1) - 1 then if n=0 then 0 else eval n1 = n - 1 in (x n1) + 1 else (x n)) n) \000C}
Latex:
Latex:
\mforall{}n:\mBbbN{}. (\mexists{}m:\mBbbN{} [(m = n)])
By
Latex:
Extract of Obid: nat-id-fun-example
not unfolding primrec
finishing with Auto
normalizes to:
\mlambda{}n.(primrec(n + 1;\mlambda{}n.Ax;\mlambda{}i,x,n. if n=(i + 1) - 1
then if n=0 then 0 else eval n1 = n - 1 in (x n1) + 1
else (x n))
n)
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