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11 Cards in this Set
- Front
- Back
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Inference:
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A set of statements whereby the premise are offered as support for a conclusion.
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Statement:
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A sentence that is either true or false.
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Premise:
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A statement (or set of statements) offered as support for a conclusion.
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Conclusion:
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The end point of an inference; the statement that is meant to follow from premise.
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Valid Inference:
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An inference in which it is impossible for the conclusion to be false if the premise are true.
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Sound Inference:
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An inference that is, 1. valid, and 2. has all true premises.
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Strong Inference:
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An inference for which logical analysis verifies that the premise if true, provide evidence that the conclusion has a high probability of being true.
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Moderate Inference:
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An inference for which logical analysis verifies that the premise, if true, provides evidence that the conclusion has a good chance of being true.
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Weak Inference
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An inference for which logical analysis verifies that the premise, if true, provides very little, or no evidence that the conclusion is true.
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Cogent:
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A cogent inference must be, 1. strong or moderate, and 2. have all true premises.
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Not Cogent:
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An inference is not cogent if, 1. it is weak, and 2. it has at least one false premise.
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