importproveittheory=proveit.Theory()# the theorem's theory
In [2]:
%proving mult_neg_one_left
With these allowed/disallowed theorem/theory presumptions (e.g., to avoid circular dependencies), we begin our proof of mult_neg_one_left: (see dependencies)
mult_neg_one_left may now be readily provable (assuming required theorems are usable). Simply execute "%qed".