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At: div 3 to 1 1 1 1 1 1 1 1 1 1 1

1. a: {...0}
2. b: {...-1}
3. ((-a) (-b)) < 1+(a b)
4. (a b) < 1+((-a) (-b))

(a b) = ((-a) (-b))

By: Arith

Generated subgoals:

None


About:
intnatural_numberminusadddivideless_thanequal

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