MAYBE Problem: f(t(),x,y) -> f(g(x,y),x,s(y)) g(s(x),0()) -> t() g(s(x),s(y)) -> g(x,y) Proof: DP Processor: DPs: f#(t(),x,y) -> g#(x,y) f#(t(),x,y) -> f#(g(x,y),x,s(y)) g#(s(x),s(y)) -> g#(x,y) TRS: f(t(),x,y) -> f(g(x,y),x,s(y)) g(s(x),0()) -> t() g(s(x),s(y)) -> g(x,y) TDG Processor: DPs: f#(t(),x,y) -> g#(x,y) f#(t(),x,y) -> f#(g(x,y),x,s(y)) g#(s(x),s(y)) -> g#(x,y) TRS: f(t(),x,y) -> f(g(x,y),x,s(y)) g(s(x),0()) -> t() g(s(x),s(y)) -> g(x,y) graph: g#(s(x),s(y)) -> g#(x,y) -> g#(s(x),s(y)) -> g#(x,y) f#(t(),x,y) -> g#(x,y) -> g#(s(x),s(y)) -> g#(x,y) f#(t(),x,y) -> f#(g(x,y),x,s(y)) -> f#(t(),x,y) -> f#(g(x,y),x,s(y)) f#(t(),x,y) -> f#(g(x,y),x,s(y)) -> f#(t(),x,y) -> g#(x,y) SCC Processor: #sccs: 2 #rules: 2 #arcs: 4/9 DPs: f#(t(),x,y) -> f#(g(x,y),x,s(y)) TRS: f(t(),x,y) -> f(g(x,y),x,s(y)) g(s(x),0()) -> t() g(s(x),s(y)) -> g(x,y) Open DPs: g#(s(x),s(y)) -> g#(x,y) TRS: f(t(),x,y) -> f(g(x,y),x,s(y)) g(s(x),0()) -> t() g(s(x),s(y)) -> g(x,y) KBO Processor: argument filtering: pi(t) = [] pi(f) = 1 pi(g) = 1 pi(s) = [0] pi(0) = [] pi(g#) = 1 weight function: w0 = 1 w(g#) = w(0) = w(s) = w(g) = w(f) = w(t) = 1 precedence: g# ~ 0 > s ~ g ~ f ~ t problem: DPs: TRS: f(t(),x,y) -> f(g(x,y),x,s(y)) g(s(x),0()) -> t() g(s(x),s(y)) -> g(x,y) Qed