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At: modulus wf 1 2 2 2 1 1
1. a:
2. n:
3. a < 0
4. ((-a) rem n) = 0

((-a) rem n) < n
By: BackThru Thm* a:, n:. 0(a rem n) & (a rem n) < n
Generated subgoal:

1 0-a

About:
intnatural_numberminusremainderless_thanequal

(11steps) PrintForm Definitions Lemmas int 2 Sections StandardLIB Doc