YES Problem: quot(0(),s(y),s(z)) -> 0() quot(s(x),s(y),z) -> quot(x,y,z) plus(0(),y) -> y plus(s(x),y) -> s(plus(x,y)) quot(x,0(),s(z)) -> s(quot(x,plus(z,s(0())),s(z))) Proof: DP Processor: DPs: quot#(s(x),s(y),z) -> quot#(x,y,z) plus#(s(x),y) -> plus#(x,y) quot#(x,0(),s(z)) -> plus#(z,s(0())) quot#(x,0(),s(z)) -> quot#(x,plus(z,s(0())),s(z)) TRS: quot(0(),s(y),s(z)) -> 0() quot(s(x),s(y),z) -> quot(x,y,z) plus(0(),y) -> y plus(s(x),y) -> s(plus(x,y)) quot(x,0(),s(z)) -> s(quot(x,plus(z,s(0())),s(z))) EDG Processor: DPs: quot#(s(x),s(y),z) -> quot#(x,y,z) plus#(s(x),y) -> plus#(x,y) quot#(x,0(),s(z)) -> plus#(z,s(0())) quot#(x,0(),s(z)) -> quot#(x,plus(z,s(0())),s(z)) TRS: quot(0(),s(y),s(z)) -> 0() quot(s(x),s(y),z) -> quot(x,y,z) plus(0(),y) -> y plus(s(x),y) -> s(plus(x,y)) quot(x,0(),s(z)) -> s(quot(x,plus(z,s(0())),s(z))) graph: plus#(s(x),y) -> plus#(x,y) -> plus#(s(x),y) -> plus#(x,y) quot#(s(x),s(y),z) -> quot#(x,y,z) -> quot#(s(x),s(y),z) -> quot#(x,y,z) quot#(s(x),s(y),z) -> quot#(x,y,z) -> quot#(x,0(),s(z)) -> plus#(z,s(0())) quot#(s(x),s(y),z) -> quot#(x,y,z) -> quot#(x,0(),s(z)) -> quot#(x,plus(z,s(0())),s(z)) quot#(x,0(),s(z)) -> plus#(z,s(0())) -> plus#(s(x),y) -> plus#(x,y) quot#(x,0(),s(z)) -> quot#(x,plus(z,s(0())),s(z)) -> quot#(s(x),s(y),z) -> quot#(x,y,z) quot#(x,0(),s(z)) -> quot#(x,plus(z,s(0())),s(z)) -> quot#(x,0(),s(z)) -> plus#(z,s(0())) quot#(x,0(),s(z)) -> quot#(x,plus(z,s(0())),s(z)) -> quot#(x,0(),s(z)) -> quot#(x,plus(z,s(0())),s(z)) SCC Processor: #sccs: 2 #rules: 3 #arcs: 8/16 DPs: quot#(s(x),s(y),z) -> quot#(x,y,z) quot#(x,0(),s(z)) -> quot#(x,plus(z,s(0())),s(z)) TRS: quot(0(),s(y),s(z)) -> 0() quot(s(x),s(y),z) -> quot(x,y,z) plus(0(),y) -> y plus(s(x),y) -> s(plus(x,y)) quot(x,0(),s(z)) -> s(quot(x,plus(z,s(0())),s(z))) Subterm Criterion Processor: simple projection: pi(quot#) = 0 problem: DPs: quot#(x,0(),s(z)) -> quot#(x,plus(z,s(0())),s(z)) TRS: quot(0(),s(y),s(z)) -> 0() quot(s(x),s(y),z) -> quot(x,y,z) plus(0(),y) -> y plus(s(x),y) -> s(plus(x,y)) quot(x,0(),s(z)) -> s(quot(x,plus(z,s(0())),s(z))) Matrix Interpretation Processor: dimension: 1 interpretation: [quot#](x0, x1, x2) = x1, [plus](x0, x1) = x1, [quot](x0, x1, x2) = 1, [s](x0) = 0, [0] = 1 orientation: quot#(x,0(),s(z)) = 1 >= 0 = quot#(x,plus(z,s(0())),s(z)) quot(0(),s(y),s(z)) = 1 >= 1 = 0() quot(s(x),s(y),z) = 1 >= 1 = quot(x,y,z) plus(0(),y) = y >= y = y plus(s(x),y) = y >= 0 = s(plus(x,y)) quot(x,0(),s(z)) = 1 >= 0 = s(quot(x,plus(z,s(0())),s(z))) problem: DPs: TRS: quot(0(),s(y),s(z)) -> 0() quot(s(x),s(y),z) -> quot(x,y,z) plus(0(),y) -> y plus(s(x),y) -> s(plus(x,y)) quot(x,0(),s(z)) -> s(quot(x,plus(z,s(0())),s(z))) Qed DPs: plus#(s(x),y) -> plus#(x,y) TRS: quot(0(),s(y),s(z)) -> 0() quot(s(x),s(y),z) -> quot(x,y,z) plus(0(),y) -> y plus(s(x),y) -> s(plus(x,y)) quot(x,0(),s(z)) -> s(quot(x,plus(z,s(0())),s(z))) Subterm Criterion Processor: simple projection: pi(plus#) = 0 problem: DPs: TRS: quot(0(),s(y),s(z)) -> 0() quot(s(x),s(y),z) -> quot(x,y,z) plus(0(),y) -> y plus(s(x),y) -> s(plus(x,y)) quot(x,0(),s(z)) -> s(quot(x,plus(z,s(0())),s(z))) Qed