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

At: div 4 to 1


a:, b:{...-1}. (a b) = -(a (-b))

By: UnivCD

Generated subgoal:

11. a:
2. b: {...-1}
(a b) = -(a (-b))


About:
intnatural_numberminusdivideequalall

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