PHIL 3 Lecture Notes - Lecture 3: Modus Tollens, Modus Ponens, Counterexample
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All ucsb students like to get dunk. Some people who like to get drunk are a nuisance to society. Therefore, some ucsb students are a nuisance to society. Another way to show an argument is invalid is to construct a model , which is a description of a possible situation that makes the premises come out true and the conclusion come out false. Ex) if hillary won the 2016 election, democrat president. So, either a democrat or a republican is president. Model: gary johnson, a member of the libertarian party, won the 2016 election. Ex) if it"s raining, then the ground is wet. Model: it"s not raining but someone turned the sprinklers on which made the ground wet. invalid) A formal fallacy is a logical error that occurs in the form on an argument (making it. A conditional statement is a compound statement of the form if p then q where p (the.
