否ひ定てい論ろん理り積せきMeaningsNoun1. non-conjunction; NAND operation; NOT-BOTH operationKanji used否negate定define論argument理logic積pile up and accumulateComposed of否ひ定ていdenial; negation; repudiation; disavowal; NOT operationNoun論ろん理りlogicNoun積せきproduct; volume; areaNoun