Tutorial 8 - CC2002 Creative and Critical Thinking Semester...

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CC2002 Creative and Critical Thinking Semester One 2011/12 Tutorial 8 Deductive Reasoning (III): Categorical Logic Recall from Lecture 8 that a. We have learnt the basic elements of Aristotelian categorical logic 定定定定, the first system of formal deductive logic in the history of western thinking. Categorical logic deals with the conditions of truth and falsity of statement forms and the conditions of validity of argument forms with respect to the infra-structure of statement forms. b. In Categorical Logic, there are 4 standard-forms of categorical statements: A : All S are P. E : No S are P. I : Some S are P. O : Some S are not P. c. A categorical syllogism is a three-line deductive argument which is composed of three categorical statements in standard form having three class names in total, each occurring twice and in different statements. d. The validity of a categorical syllogism can be tested effectively by Venn diagrams . Part I
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This note was uploaded on 03/17/2012 for the course COMP 3868 taught by Professor Keithchan during the Spring '97 term at Hong Kong Polytechnic University.

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Tutorial 8 - CC2002 Creative and Critical Thinking Semester...

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