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At: counter lpower 1 2

1. e:
2. L: *
3. n:
4. 0 < n
5. ||e:(Ln-1)|| = (n-1)||e:L||

||e:(Ln)|| = n||e:L||

By: RW (RecUnfoldC `lpower`) 0

Generated subgoal:

1 ||e:if n=0 nil else (Ln-1) @ L fi|| = n||e:L||


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equalmultiplyintlistless_than
natural_numbersubtractifthenelsenil