PDF MODERN SCIENCE AND NON-ARISTOTELIAN LOGle

consequence of the Aristotelian logic of classes. The foun­ dation of Aristotelian logic is the doctrine that every prop­ osition must affirm ordeny a predicateof a subject. Since Aristotle's definition of a primary substance is that which can be a subject but never a predicate, propositions about subjects must predicate qualities of the ... ................
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