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Examples

↑

Append

append(c(1,c(2,c(3,n))),c(4,c(5,n)),result).
append(X,Y,Z), n(X)      :- Y=Z.
append(X,Y,Z), c(A,X1,X) :- c(A,Z1,Z), append(X1,Y,Z1).
result = append([1,2,3],[4,5]).
Z=append([],    Y) :- Z=Y.
Z=append([A|X1],Y) :- Z=[A|append(X1,Y)].
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Self-Organizing Loop

a(free,free),a(free,free),a(free,free),a(free,free),a(free,free),
a(free,free),a(free,free),a(free,free),a(free,free),a(free,free),
a(free,free),a(free,free),a(free,free),a(free,free),a(free,free),
a(free,free),a(free,free),a(free,free),a(free,free),a(free,free),
a(free,free),a(free,free),a(free,free),a(free,free).
free(A),free(B),a(A,C),a(D,B):-a(X,C),a(D,X).
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Vending Machine

{customer,a,one,one,five,hunger,hunger}.
{customer,b,five,hunger}.
{vending,choco,choco,choco,one,one}.
   {customer,$c,hunger,five},  {vending,$v,choco,one,one}
:- {customer,$c,choco,one,one},{vending,$v,five}.
   {customer,$c,hunger,one,one,one},{vending,$v,choco}
:- {customer,$c,choco},             {vending,$v,one,one,one}.

Two customers with different amounts of coins and hunger are buying some chocolates. Each chocolate costs three and there are only two kinds of coins: one and five.

Run in shuffle mode (type shuffle).

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