Journal of Applied Logic Special issue on Combining Probability and Logic to Solve Philosophical Problems

 This interesting special issue includes Dana S. Scott's Stochastic λ-calculi: An extended abstract. 

It is shown how the operators in the “graph model” for λ-calculus (which can function as a programming language for Recursive Function Theory) can be expanded to allow for “random combinators”. The result then is a model for a new language for random algorithms.

 See On Tarski's Semantic Definition of Truth "Convention T". 



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