A Weakest Pre-Expectation Semantics for Mixed-Sign Expectations

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Kaminski, Benjamin Lucien; Katoen, Joost-Pieter;
  • Subject: Computer Science - Programming Languages | D.2.4 | D.3.1 | Computer Science - Logic in Computer Science | F.3.2 | F.3.1 | F.1.2
    arxiv: Computer Science::Logic in Computer Science

We present a weakest-precondition-style calculus for reasoning about the expected values (pre-expectations) of \emph{mixed-sign unbounded} random variables after execution of a probabilistic program. The semantics of a while-loop is well-defined as the limit of iterativ... View more
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