09/06/03 07:46:51
>>79 実行例
?- push(3,[],L1),push(4,L1,L2),not(empty(L2)),pop(X,L2,L3),write(L3),nl.
[4]
L1 = [3],
L2 = [3,4],
X = 3,
L3 = [4]
yes
?-
09/06/03 07:46:51
>>79 実行例
?- push(3,[],L1),push(4,L1,L2),not(empty(L2)),pop(X,L2,L3),write(L3),nl.
[4]
L1 = [3],
L2 = [3,4],
X = 3,
L3 = [4]
yes
?-