Rules of the Syllogism
JMC : Elements of Logic / by Cardinal Mercier 54. Rules of the Syllogism. — Besides the special rules of each of the figures, logicians have been wont to formulate eight rules applicable to the syllogism in general, expressing the nature of the reasoning. FIRST RULE. — Terminus esto triplex: medius, majorque, minorque. — The syllogism must have three terms, neither more nor fewer. To […]
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