Philosophy 1200 Lecture Notes - Lecture 17: Sunscreen, False Positives And False Negatives, Fallacy

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Second criteria to constructing a sound argument. The premises of an argument should be relevant to the conclusion. A premise is relevant when it helps us accept the conclusion. The truth of a premise does not always guarantee the truth of the conclusion, but it can make the conclusion more likely to be true. We should use the principle of charity to try and reconstruct the argument so that the premises are relevant. You should use sunscreen because it smells like coconut. The premise is not relevant here, if it were false, it does not matter to the conclusion. You should vote for johnson because she is honest and is well informed about the issues. You should vote for johnson because her mother used to be my kindergarten teacher. First one is relevant, second one is not. Non sequitur = it does not follow: appeal to pity.

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