Input TRS: 1: f(f(a(),a()),x) -> f(f(a(),x),f(a(),f(a(),a()))) Number of strict rules: 1 Direct Order(PosReal,>,Poly) ... failed. Freezing f 1: f❆2_a(a(),x) -> f❆2_a(x,f❆1_a(f❆1_a(a()))) 2: f(a(),_1) ->= f❆1_a(_1) 3: f(f❆1_a(_1),_2) ->= f❆2_a(_1,_2) Number of strict rules: 1 Direct Order(PosReal,>,Poly) ... removes: 3 2 a() weight: 0 f❆2_a(x1,x2) weight: x1 + x2 f(x1,x2) weight: (/ 1 2) + x1 + x2 f❆1_a(x1) weight: x1 Number of strict rules: 1 Direct Order(PosReal,>,Poly) ... failed. Dependency Pairs: #1: #f❆2_a(a(),x) -> #f❆2_a(x,f❆1_a(f❆1_a(a()))) Number of SCCs: 1, DPs: 1, edges: 1 SCC { #1 } Removing DPs: Order(PosReal,>,Sum)... Order(PosReal,>,Max)... succeeded. a() weight: (/ 3 8) f❆2_a(x1,x2) weight: 0 #f❆2_a(x1,x2) weight: max{(/ 1 8) + x2, x1} f(x1,x2) weight: 0 f❆1_a(x1) weight: (/ 1 8) Usable rules: { } Removed DPs: #1 Number of SCCs: 0, DPs: 0, edges: 0 YES