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At:
primrec
list
accum
2
1.
n:
2.
0 < n
3.
f,x:Top. primrec(n-1;x;f) ~ list_accum(i,y.f(y,i);x;upto(0;n-1))
f,x:Top. primrec(n;x;f) ~ list_accum(i,y.f(y,i);x;upto(0;n))
By:
((RepeatFor 2 (ParallelOp -1)) THEN (RecUnfold `primrec` 0) THEN SplitOnConclITE) THENL [Auto;Id]
Generated subgoal:
1
4.
f:
Top
5.
x:Top. primrec(n-1;x;f) ~ list_accum(i,y.f(y,i);x;upto(0;n-1))
6.
x:
Top
7.
primrec(n-1;x;f) ~ list_accum(i,y.f(y,i);x;upto(0;n-1))
8.
n = 0
(f(n-1,primrec(n-1;x;f))) ~ list_accum(i,y.f(y,i);x;upto(0;n))
11
steps
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(14steps total)
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