sat pip3
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@@ -1,6 +1,7 @@
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left(1,wine). left(1,year). right(1,quality).
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left(2,wine). left(2,year). right(2,price).
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row(10,wine,chablis). row(10,year,1995). row(10,quality,good). row(10,price,17).
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row(9,wine,chablis). row(9,year,1995). row(9,quality,good). row(9,price,18).
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row(11,wine,chablis). row(11,year,1996). row(11,quality,excellent). row(11,price,23).
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row(12,wine,rothschild). row(12,year,1997). row(12,quality,good). row(12,price,29).
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row(13,wine,rothschild). row(13,year,1997). row(13,quality,excellent). row(13,price,29).
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2
pip3/q1.db
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2
pip3/q1.db
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@@ -0,0 +1,2 @@
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qrow(100,wine,chablis). qrow(100,quality,excellent). qrow(100,year,1996).
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qrow(101,wine,rothschild). qrow(101,quality,excellent).
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16
pip3/sat.lp
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16
pip3/sat.lp
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%#show qunsat/2.
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%#show qsat/1.
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%#show sat/0.
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#show unsat/0.
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%#show exist/4.
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qsat(Q,R) :- qrow(Q,A,V), row(R,A,V), not qunsat(Q,R).
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qunsat(Q,R) :- qrow(Q,_,_), row(R,_,_), not qsat(Q,R).
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:- qsat(Q,R), qrow(Q,A,V), not row(R,A,V).
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%qunsat(I) :- qrow(I,A1,V1), qrow(I,A2,V2), not exist(A1,V1,A2,V2), A1 != A2.
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qsat(I) :- qsat(I,_).
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%unsat() :- qrow(I,G1,G2), not qsat(I).
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:- qrow(I,G1,G2), not qsat(I).
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%sat() :- not unsat().
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