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Some Preliminary Notions
Ideas or Concepts and Terms
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added determinants affirm or deny affirms the antecedents analogously antecedent argument called cause CHAPTER class of things concepts conclusion conditional proposition conditional syllogism consequent consists contradictory contraposition converse convertend copula defined definition denial destructive dilemma disjunctive propositions DISJUNCTIVE SYLLOGISMS enthymeme example Exponable fact fallacy of accident false genus gism given proposition grammatical idea Illicit Process immediate inference immortal implied induction inductive reasoning instance ject judgment Laws of Logic logical fallacy major premise means ment middle term mind minor nature negative proposition objective logical truth objective truth obverted oral or written particular in quantity polysyllogism predicate term processes of thought Protagoras prove purposes of Logic quantifying adjective reality reasoning represented simple categorical proposition sion sorites species statement or proposition student of Logic study of Logic sub-contrary subject term substance thinking tion triangle true universal in form universal in quantity universal negative valid wise word writer