importproveitfromproveit.logic.booleans.disjunctionimportor_t_ftheory=proveit.Theory()# the theorem's theory
In [2]:
%proving true_or_false
With these allowed/disallowed theorem/theory presumptions (e.g., to avoid circular dependencies), we begin our proof of true_or_false: (see dependencies)
true_or_false has been proven. Now simply execute "%qed".
In [3]:
%qed
proveit.logic.booleans.disjunction.true_or_false has been proven.