Critical Thinking CRT 205 Notes on arguments TYPE OF ARGUMENTPREMISES STATEMENTSCONCLUSIONS STATEMENTSGood argumentsPremises give grounds/justification for accepting the conclusionsConclusions are supported by the premisesBad argumentsPremises do NOT give justification for accepting the conclusionsConclusions should not be acceptedValid argumentsPremises support the conclusion. IF premises true, then conclusion MUST be true Conclusion is true, IF premises trueValid arguments (said another way)Premises support the conclusion. IF premises true, guarantee a true conclusionConclusion is true, IF premises trueValid argumentsPremises support the conclusion. Can have false premises, but IF premises were true would guarantee true conclusionConclusion is true, IF premises true; if premises are false, conclusion is falseInvalid/unsound argumentsPremises do not support the conclusion. Could have true premisesBut conclusion is falseInvalid argumentsPremises do not support the conclusion
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