Unformatted text preview: Logical strength A n 0 ﬁlsiﬁcati'on ' V Veriﬁcation Relevance . Adequacy
_ (Criterion l) (Criterion 2) (Criterion 3) (Criterion 4) _No falsiﬁcation: there should be no good reason for thinking that the premises are false Untrustworthy sources
Conﬂicting evidence Veriﬁcation: there should be some good reason for thinking that the premises are true Trustworthy sources
Conﬁrming evidence Relevance: the premises should be relevant to the conclusion, i.e. they should provide
some support for the conclusion Fallacies ofrelevanee: Appeal to Pity, Appeal to Force, Appeal to Popularity.
Appeal to Inappropriate Authority, Ad Hominem, Tu Quoque, Straw Person Adequacy: the premises should provide an adequate degree of support for the conclusion ...
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- Summer '09