Critical Thinking CRT 205 Notes on arguments

Critical Thinking CRT 205 Notes on arguments - Critical...

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Critical Thinking CRT 205 Notes on arguments TYPE OF ARGUMENT PREMISES STATEMENTS CONCLUSIONS STATEMENTS Good arguments Premises give grounds/justification for accepting the conclusions Conclusions are supported by the premises Bad arguments Premises do NOT give justification for accepting the conclusions Conclusions should not be accepted Valid arguments Premises support the conclusion. IF premises true, then conclusion MUST be true Conclusion is true, IF premises true Valid arguments (said another way) Premises support the conclusion. IF premises true, guarantee a true conclusion Conclusion is true, IF premises true Valid arguments Premises support the conclusion. Can have false premises, but IF premises were true would guarantee true conclusion Conclusion is true, IF premises true; if premises are false, conclusion is false Invalid/unsound arguments Premises do not support the conclusion. Could have true premises
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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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