MODR 1770 Lecture Notes - Deductive Reasoning, Fallacy, Soundness
Document Summary
Opinion is not an argument, it becomes an argument when you back it up with reason, premise and evidence. Fallacy of the slippery slope: take a cause, and say that this cause is to result in other undesirable things to happen (gay marriage). An argument is cogent if it fulfills three criteria: relevancy, acceptability, sufficiancy. Descriptions are not arguments: it"s just explaining a state of affair. Arguments and argumentation pg. 39-40 cue words. (print for test) Once we allow it, our kids will find ways to get their hands on it and we"ll corrupt an entire generation: c: we shouldn"t legalize marijuana. Extended argument: you have a chain or reasons going on: a causes b, b causes c, c causes d, etc. Truth: has to be in accordance with facts. Validity (argument) value of deductive reasoning. (how we infer the correction from the premises). Invalidity: when we have a conclusion that doesn"t follow from the premises.