Logic Basics PHI 151
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This 2 page Class Notes was uploaded by Alex Ellzey on Monday September 12, 2016. The Class Notes belongs to PHI 151 at University of Southern Mississippi taught by Paula Smithka in Fall 2016. Since its upload, it has received 5 views. For similar materials see Introduction to Philosophy in Philosophical / Religious / Ethical Perspectives at University of Southern Mississippi.
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Date Created: 09/12/16
Logic basics I. Logic Basics a. About arguments i. What ii. Parts of b. About statements i. Properties of ii. Linguistic items that aren’t statements iii. Beliefs and opinions c. Deduction & induction (rational) arguments: evidence that supports a claim that you want to get across to someone 1. premise(s): reasons and evidence 2. conclusion: claim and point Minimally an argument needs one premise and one conclusion Conclusion indicator words: consequently, thus, therefore, it follows that, as a result, hence, so & which means that Premise indicator words: because, inasmuch as, since, assuming that, since, for, and given that Formal parts of a rational argument is the premise and conclusion which are both statements that are part and partial to being true/false Rhetorical ‘arguments’ persuade you on the basis of your emotion o Ex: fear o “I believe that one should use one’s mind to consider issues” I believe—cognitive psychological epistemic Should use one’…-- evidence Arguments: strong/good or weak/bad Deduction—certainty Induction—possibility Opinions: statements about preference to some sense of giving advice Deductive arguments o Strong/good—valid: IF all of the premises were true, conclusion cannot be false o Weak/bad—invalid: IF all of the premises were true, conclusion could be false 2
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