January 24 - i. Premise: A proposition that is supposed to...

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I. Arguments vs. Assertion a. A bare assertion gives you no reason for accepting and/or believing it i. The invasion of Iraq was justified and prudent ii. The invasion of Iraq was unjustified and imprudent 1. These arguments cannot both be true, however they can both be false in favor of a third argument 2. The invasion of Iraq was unjustified but prudent. II. Logical Concepts a. Statement or Proposition i. A statement, assertion or proposition is a sentence that has a truth- value ii. There are only two truth values: truth and falsity b. Argument i. A sequence of two or more propositions of which one is designated the conclusion and all the others of which are premises c. Premise and Conclusion
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Unformatted text preview: i. Premise: A proposition that is supposed to give logical support to a conclusion ii. Conclusion: a proposition that is supposed to ve proved by the premises of an argument d. The Concept of Form (vs. Content) e. Sound Argument i. An argument which is valid and contains only true premises f. Valid Argument i. An argument is valid if and only if it is necessary that if all the premises are true, then the conclusion is true. 1. The truth of the premises guarantees that the conclusion will be true g. Cogent Argument i. A sound argument that is recognized to be such in virtue of its form (structure) and content III. Sample Arguments...
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