YES (ignored inputs)COMMENT the following rules are removed from the original TRS b ( c ( x ) ) -> b ( c ( x ) ) a ( a ( x ) ) -> a ( a ( x ) ) Rewrite Rules: [ b(b(?x)) -> b(a(?x)), a(c(?x)) -> b(a(?x)), a(c(?x)) -> c(b(?x)), c(c(?x)) -> b(c(?x)), c(b(?x)) -> b(a(?x)), a(b(?x)) -> a(c(?x)) ] Apply Direct Methods... Inner CPs: [ a(b(c(?x_3))) = b(a(c(?x_3))), a(b(a(?x_4))) = b(a(b(?x_4))), a(b(c(?x_3))) = c(b(c(?x_3))), a(b(a(?x_4))) = c(b(b(?x_4))), c(b(a(?x_4))) = b(c(b(?x_4))), c(b(a(?x))) = b(a(b(?x))), a(b(a(?x))) = a(c(b(?x))), b(b(a(?x))) = b(a(b(?x))), c(b(c(?x))) = b(c(c(?x))) ] Outer CPs: [ b(a(?x_1)) = c(b(?x_1)) ] not Overlay, check Termination... unknown/not Terminating unknown Knuth & Bendix Linear unknown Development Closed unknown Strongly Closed unknown Weakly-Non-Overlapping & Non-Collapsing & Shallow inner CP cond (upside-parallel) innter CP Cond (outside) unknown Upside-Parallel-Closed/Outside-Closed (inner) Parallel CPs: (not computed) unknown Toyama (Parallel CPs) Simultaneous CPs: [ b(b(a(?x_1))) = b(a(b(?x_1))), b(a(b(a(?x_1)))) = b(b(a(b(?x_1)))), b(a(b(a(?x_1)))) = c(b(a(b(?x_1)))), a(c(b(a(?x_1)))) = a(b(a(b(?x_1)))), b(a(b(?x))) = b(b(a(?x))), b(a(b(?x))) = c(b(a(?x))), a(c(b(?x))) = a(b(a(?x))), c(b(?x)) = b(a(?x)), a(b(c(?x_4))) = b(a(c(?x_4))), a(b(a(?x_5))) = b(a(b(?x_5))), b(a(?x)) = c(b(?x)), a(b(c(?x_4))) = c(b(c(?x_4))), a(b(a(?x_5))) = c(b(b(?x_5))), c(b(c(?x_1))) = b(c(c(?x_1))), c(b(a(?x_5))) = b(c(b(?x_5))), b(c(b(c(?x_1)))) = c(b(c(c(?x_1)))), b(c(b(a(?x_5)))) = c(b(c(b(?x_5)))), b(a(b(c(?x_1)))) = a(b(c(c(?x_1)))), b(a(b(a(?x_5)))) = a(b(c(b(?x_5)))), c(b(b(c(?x_1)))) = a(b(c(c(?x_1)))), c(b(b(a(?x_5)))) = a(b(c(b(?x_5)))), b(c(c(?x))) = c(b(c(?x))), b(a(c(?x))) = a(b(c(?x))), c(b(c(?x))) = a(b(c(?x))), c(b(a(?x_2))) = b(a(b(?x_2))), b(a(b(a(?x_2)))) = a(b(a(b(?x_2)))), c(b(b(a(?x_2)))) = a(b(a(b(?x_2)))), b(c(b(a(?x_2)))) = c(b(a(b(?x_2)))), b(a(b(?x))) = a(b(a(?x))), c(b(b(?x))) = a(b(a(?x))), b(c(b(?x))) = c(b(a(?x))), a(b(a(?x_2))) = a(c(b(?x_2))) ] unknown Okui (Simultaneous CPs) unknown Strongly Depth-Preserving & Root-E-Closed/Non-E-Overlapping unknown Strongly Weight-Preserving & Root-E-Closed/Non-E-Overlapping check Locally Decreasing Diagrams by Rule Labelling... Critical Pair by Rules <3, 1> preceded by [(a,1)] joinable by a reduction of rules <[([],5),([],1)], []> Critical Pair by Rules <4, 1> preceded by [(a,1)] joinable by a reduction of rules <[([],5),([],1)], [([(b,1)],5),([(b,1)],1),([],0)]> joinable by a reduction of rules <[([],5),([],2),([],4)], [([(b,1)],5),([(b,1)],1),([],0)]> Critical Pair by Rules <3, 2> preceded by [(a,1)] joinable by a reduction of rules <[([],5),([],2)], []> joinable by a reduction of rules <[([],5),([],1)], [([],4)]> Critical Pair by Rules <4, 2> preceded by [(a,1)] joinable by a reduction of rules <[([],5),([],2)], [([(c,1)],0)]> joinable by a reduction of rules <[([],5),([],1)], [([(c,1)],0),([],4)]> Critical Pair by Rules <4, 3> preceded by [(c,1)] joinable by a reduction of rules <[([],4)], [([(b,1)],4),([],0)]> Critical Pair by Rules <0, 4> preceded by [(c,1)] joinable by a reduction of rules <[([],4)], [([(b,1)],5),([(b,1)],1),([],0)]> Critical Pair by Rules <0, 5> preceded by [(a,1)] joinable by a reduction of rules <[], [([(a,1)],4)]> Critical Pair by Rules <0, 0> preceded by [(b,1)] joinable by a reduction of rules <[], [([(b,1)],5),([(b,1)],1)]> Critical Pair by Rules <3, 3> preceded by [(c,1)] joinable by a reduction of rules <[([],4)], [([(b,1)],3),([],0)]> Critical Pair by Rules <2, 1> preceded by [] joinable by a reduction of rules <[([],4)], []> Satisfiable by 4>5,2,1>3>6; a(1)b(1)c(1); 4>3>2,1,5>6 Diagram Decreasing Direct Methods: CR Combined result: CR /tmp/fileSplHNS.trs: Success(CR) (27 msec.)