7.6 Well Founded Semantics
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Availability::- use_module(library(wfs)).(can be autoloaded)
Sourcecall_delays(:Goal, -Condition)
True when Goal is an answer that is true when Condition can be satisfied. If Condition is true, Answer is unconditional. Otherwise it is a conjunction of goals, each of which is associated with a tabled predicate.
ClioPatria (version V3.1.1-40-g9d9e003)