| 31. | Logically equivalent statements have the same truth value in all models in which they have interpretations.
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| 32. | At issue here is the truth value of statements about the future actions of free creatures.
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| 33. | In deduction, the truth value of the conclusion is based on the truth of the premise.
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| 34. | This approach removes any need to assign a truth value to expressions of the form Op.
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| 35. | Ungrounded statements do not have a truth value.
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| 36. | This assignment can be uniquely extended to an assignment of truth values to all propositional formulas.
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| 37. | In this way a moral nihilist believes that all moral claims are void of any truth value.
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| 38. | According to supervaluationism, a proposition can have a definite truth value even when its components do not.
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| 39. | In algebraic semantics, such a negation is realized as an involution on the algebra of truth values.
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| 40. | In this context, a valuation begins with an assignment of a truth value to each propositional variable.
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