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Generalized probabilistic modus ponens

  • Autori: Sanfilippo, Giuseppe*; Pfeifer, Niki; Gilio, Angelo
  • Anno di pubblicazione: 2017
  • Tipologia: Contributo in atti di convegno pubblicato in volume (Capitolo o saggio)
  • OA Link:


Modus ponens (from A and “if A then C” infer C) is one of the most basic inference rules. The probabilistic modus ponens allows for managing uncertainty by transmitting assigned uncertainties from the premises to the conclusion (i.e., from P(A) and P(C|A) infer P(C)). In this paper, we generalize the probabilistic modus ponens by replacing A by the conditional event A|H. The resulting inference rule involves iterated conditionals (formalized by conditional random quantities) and propagates previsions from the premises to the conclusion. Interestingly, the propagation rules for the lower and the upper bounds on the conclusion of the generalized probabilistic modus ponens coincide with the respective bounds on the conclusion for the (non-nested) probabilistic modus ponens