/usr/lib/swipl/library/clp/clpb.pl
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  • library
    • clp
      • clpfd.pl -- CLP(FD): Constraint Logic Programming over Finite Domains
      • clpb.pl -- CLP(B): Constraint Logic Programming over Boolean Variables
        • sat/1
        • taut/2
        • labeling/1
        • sat_count/2
        • random_labeling/2
        • weighted_maximum/3
 taut(+Expr, -T) is semidet
Tautology check. Succeeds with T = 0 if the Boolean expression Expr cannot be satisfied, and with T = 1 if Expr is always true with respect to the current constraints. Fails otherwise.