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

------ Parsing...successful


------ Proving...
use I-

Gamma_0: (extend-no-conflict)
  0: [c_lessequals(c_Zorn_Osucc(v_S,v_n,t_a),
c_Union(v_Y,tc_set(t_a)),tc_set(tc_set(t_a)))]

Gamma_1: (extend-conflict)
  0: [c_lessequals(c_Zorn_Osucc(v_S,v_n,t_a),
c_Union(v_Y,tc_set(t_a)),tc_set(tc_set(t_a)))]
  1: [~(c_lessequals(c_Zorn_Osucc(v_S,v_n,t_a),c_Union(v_Y,tc_set(t_a)),tc_set(tc_set(t_a))))]

Gamma_2: (move)
  0: [~(c_lessequals(c_Zorn_Osucc(v_S,v_n,t_a),c_Union(v_Y,tc_set(t_a)),tc_set(tc_set(t_a))))]
  1: [c_lessequals(c_Zorn_Osucc(v_S,v_n,t_a),c_Union(v_Y,tc_set(t_a)),
tc_set(tc_set(t_a)))]

Gamma_3: (resolve)
  0: [~(c_lessequals(c_Zorn_Osucc(v_S,v_n,t_a),c_Union(v_Y,tc_set(t_a)),tc_set(tc_set(t_a))))]
  1: []

SZS status Unsatisfiable