%---------------- SGGS v1.0 (IJCAR 2020 submission) ----------------% ------ Parsing...successful ------ Proving... use I- not ground preserving Gamma_0: (extend-no-conflict) 0: intersection(X0,X1,X2), [member(h(X0,X1,X2), X2)], member(h(X0,X1,X2),X1) Gamma_1: (extend-no-conflict) 0: intersection(X0,X1,X2), [member(h(X0,X1,X2), X2)], member(h(X0,X1,X2),X1) 1: [intersection(X0,X0,X0)], ~(member(h(X0,X0,X0),X0)) Gamma_2: (extend-no-conflict) 0: intersection(X0,X1,X2), [member(h(X0,X1,X2), X2)], member(h(X0,X1,X2),X1) 1: [intersection(X0,X0,X0)], ~(member(h(X0,X0,X0),X0)) 2: [member(member_of_1_not_of_2(X0,X1),X0)], subset(X0,X1) Gamma_3: (extend-no-conflict) 0: intersection(X0,X1,X2), [member(h(X0,X1,X2), X2)], member(h(X0,X1,X2),X1) 1: [intersection(X0,X0,X0)], ~(member(h(X0,X0,X0),X0)) 2: [member(member_of_1_not_of_2(X0,X1),X0)], subset(X0,X1) 3: ~(member(member_of_1_not_of_2(X0,X0),X0)), [subset(X0,X0)] Gamma_4: (extend-no-conflict) 0: intersection(X0,X1,X2), [member(h(X0,X1,X2), X2)], member(h(X0,X1,X2),X1) 1: [intersection(X0,X0,X0)], ~(member(h(X0,X0,X0),X0)) 2: [member(member_of_1_not_of_2(X0,X1),X0)], subset(X0,X1) 3: ~(member(member_of_1_not_of_2(X0,X0),X0)), [subset(X0,X0)] 4: [equal_sets(X0,X0)], ~(subset(X0,X0)) 0: intersection(X0,X1,X2), [member(h(X0,X1,X2),X2)], member(h(X0,X1,X2), X1) 1: [intersection(X0,X0,X0)], ~(member(h(X0,X0,X0),X0)) 2: [member(member_of_1_not_of_2(X0,X1),X0)], subset(X0,X1) 3: ~(member(member_of_1_not_of_2(X0,X0),X0)), [subset(X0,X0)] 4: [equal_sets(X0,X0)], ~(subset(X0,X0)) SZS status Satisfiable