WK 6 DQ 1 - WK 6 DQ 1 There are many types of arguments,...

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WK 6 DQ 1 There are many types of arguments, but what is common to them is that they consist of premises and a conclusion. A valid argument can be sound or unsound. An unsound argument’s premises are true but the conclusion is false. Unsound example: All oceans have water. Therefore, people like to swim. The premise is true but the conclusion is not. A valid argument whose premises are true is a sound argument. Sound example: All human beings have a heart. I am human. I have a heart. The premises and the conclusion are true. An invalid argument can never be sound. It does not mean the conclusion is wrong it means, based on the premises there is no reason to accept the conclusion. An invalid argument can also be true or false. Example of a true invalid argument: All humans have 2 legs. I have a dog. The dog has 4 legs.   Example of a false invalid argument: All humans have 2 legs. I have a dog. The dog has 2 legs.  
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This note was uploaded on 01/10/2011 for the course CRT 205 crt 205 taught by Professor Darren during the Spring '10 term at University of Phoenix.

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