sat lemmas Sections ClassicalProps(jlc) Doc

Def pq == inr(inr(inr(inr( < p,q > ))))

Thm* a:Assignment, q,r:Formula. a | qr a |= q & a | r formula_imp_falsifiable_lemma

Thm* a:Assignment, q,r:Formula. a |= qr a | q a |= r formula_imp_sat_lemma