presupposition

n. Logic. 1 (relation between propositions ‘p’ and ‘q’ such that if ‘p’ is meaningfully true or false of any state of the world, then ‘q’ is true of even such state, presupposition is a kind of entailment, cf : entailment) पूर्वग्रहण (न.) 2 (‘q’ is a presupposition of ‘p’ as well as of not–‘p’) पूर्वगृहीत (न.)