Prolog engine[edit] Prolog (for “Programming in Logic”) is a programming language based on a subset of predicate calculus. Its main job is to check whether a certain proposition can be inferred from a KB (knowledge base) using an algorithm called backward chaining. Let us return to our Socrates syllogism. We enter into our Knowledge Base the following piece of code: mortal(X) :- man(X). man(socrates).

Prolog engine[edit]

Prolog (for “Programming in Logic”) is a programming language based on a subset of predicate calculus. Its main job is to check whether a certain proposition can be inferred from a KB (knowledge base) using an algorithm called backward chaining.

Let us return to our Socrates syllogism. We enter into our Knowledge Base the following piece of code:

mortal(X) :-  man(X).
man(socrates).
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