MODR 1770 Chapter Notes - Chapter 3: Co-Premise, Deductive Reasoning, Enying
25 Apr 2013
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To show that a statement/claim is worthy of acceptance . To see whether the argument shows that the statement (conclusion) is worthy of acceptance. Provides logically conclusive, absolute support for conclusion. Valid: if premises are true, conclusion must be true: deductively valid arguments are truth-preserving; conclusion follows logically, order of premises makes no difference. Invalid: conclusion doesn"t follow logically from the premises (regardless of order of premises: argument w/ true conclusion can be invalid if conclusion isn"t supported by the premises. Valid deductive argument; conclusion is false; thus 1 of the premises is false. Refers to the construction of an argument; the way the premises and conclusion fit together. *persuading is not the same as reasoning with crit. thinking; persuading: influence opinions by using words to appeal to their ego, gullibility, greed, anger, etc; emotional language, psychological ploys, lies, etc. Does not show that a belief is true/warranted.
