Definition of truth function in English:

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truth function

noun

Logic
A function whose truth value is dependent on the truth value of its arguments.
Example sentences
  • If ‘if’ is truth-functional, this is the right truth function to assign to it: of the sixteen possible truth-functions of A and B, it is the only serious candidate.
  • For degrees of truth, disjunction is a truth function.
  • The fuzzy set degree of membership value is a consequence of the sets intrinsic truth function.
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