%---------------- SGGS v1.0 (IJCAR 2020 submission) ----------------%

------ Parsing...successful


------ Proving...
use I-
not ground preserving

Gamma_0: (extend-no-conflict)
  0: [member(member_of_1_not_of_2(X0,X1),
X0)], subset(X0,X1)

Gamma_1: (extend-no-conflict)
  0: [member(member_of_1_not_of_2(X0,X1),
X0)], subset(X0,X1)
  1: ~(member(member_of_1_not_of_2(X0,X0),X0)), [subset(X0,X0)]

Gamma_2: (extend-no-conflict)
  0: [member(member_of_1_not_of_2(X0,X1),
X0)], subset(X0,X1)
  1: ~(member(member_of_1_not_of_2(X0,X0),X0)), [subset(X0,X0)]
  2: [equal_sets(X0,X0)], ~(subset(X0,X0))
  0: [member(member_of_1_not_of_2(X0,X1),X0)], subset(X0,X1)
  1: ~(member(member_of_1_not_of_2(X0,X0),X0)), [subset(X0,X0)]
  2: [equal_sets(X0,X0)], ~(subset(X0,X0))

SZS status Satisfiable