• (n.) The act of contradicting one`s self or itself; repugnancy in conceptions or in terms; a proposition consisting of two members, one of which contradicts the other; as, to be and not to be at the same time is a self-contradiction. Found on http://thinkexist.com/dictionary/meaning/self-contradiction/
Self`-con`tra·dic'tion noun The act of contradicting one's self or itself; repugnancy in conceptions or in terms; a proposition consisting of two members, one of which contradicts the other; as, to be and not to be at the same time is a self-contradiction . Found on http://www.encyclo.co.uk/webster/S/58