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1 definition found
 for symbolic inference
From The Free On-line Dictionary of Computing (30 December 2018) :

  symbolic inference
     The derivation of new facts from known facts and inference
     rules.  This is one of the fundamental operations of
     artificial intelligence and logic programming languages
     like Prolog.
     Inference is a basic part of human reasoning.  For example
     given that all men are mortal and that Socrates is a man, it
     is a trivial step to infer that Socrates is mortal.  We might
     express these symbolically:
     	man(X) => mortal(X).
     ("if X is a man then X is mortal" and "Socrates is a man").
     Here, "man", "mortal" and "socrates" are just arbitrary
     symbols which the computer manipulates without reference to or
     knowledge of their external meaning.  A forward chaining
     system (a production system) could use these to infer the
     new fact
     simply by matching the left-hand-side of the implication
     against the fact and substituting socrates for the variable X.

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