PHIL 2100 Lecture 3: 1. Phil2100 Lec 1 Notes
9 May 2016
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Two types: deductive (formal) and inductive (informal) Valid argument: if it is impossible for its premises to be true and its conclusions false. Ch 1 foucses on arguments involvinf only 2 setential connecives. [tilda symbol] = it is not the case that . It is not the case that -> sequential connective. Avoid having negative sentences in your scheme of abbreviation. If socrates is wise, then he will be executed. Above is a conditional sentence, that has the feature of being a binary connective. Consequent = then he will be executed. P-> q = a conditional read if p, then q. Each line of the scheme of abbreviation should be a compete declrative sentence, each of which is repreented by a single letter btw p and z. Only use affirmative sentence in your scheme of abbreviations. Don"t bury negations in your scheme (i. e socrates is unwise.
