logic variable
<programming> A variable in a logic programming language which is
initially undefined ("unbound") but may get bound to a value or another logic
variable during unification of the containing clause with the current goal. The
value to which it is bound may contain other variables which may themselves be
bound or unbound.
For example, when unifying the clause
sad(X) :- computer(X, ibmpc).
with the goal
sad(billgates).
the variable X will become bound to the atom "billgates" yielding the new
subgoal "computer(billgates, ibmpc)".
(1995-03-14)
Nearby terms:
logic gate « logic programming « Logic Replacement
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