Philosophy in Contemporary World

Rules of Categorical Syllogism   A. Introduction Recall that Categorical Syllogism is a syllogism consisting of three categorical propositions, and containing three distinct terms, each of which appears in exactly two of the three propositions. Classical Logic lists eight rules of valid categorical syllogism: ·        four concern the terms, and ·        four concern the propositions. These rules are not provable. They have to be either accepted or rejected. If they are rejected, syllogism is not possible. Therefore, what is given is only an explication of the rules. Classical logic classified these rules under: ·        rules of structure, ·        rules of distribution of terms, ·        rules of quality, and ·        rules of quantity. B. Rules of Structure ...

[This notes is prepared primarily on the basis of the IGNOU Study material on Philosophy-Logic and certain other materials. These notes are provided here for academic reference for students. No originality, authorship or copyright to the above is being claimed.] Strawson’s Analysis of Nature of Deductive Logic PF Strawson’s three aspects of formal logic: 1.      Generality: 2.      Form; and 3.      System ·        Generality means that individual is not the subject of formal logic. ·        Formal Logic concerns only the relation between systems but not objects. Futile to embark on study involving objects as such a study has no end. e.g.: Arg. 6: P1:       The author of Abhijnana Sakuntala was in the court of King Bhoja P2:        Kalidasa is the author of Abhijnana Sakuntala Q:...