MAYBE Problem: min(x,0()) -> 0() min(0(),y) -> 0() min(s(x),s(y)) -> s(min(x,y)) max(x,0()) -> x max(0(),y) -> y max(s(x),s(y)) -> s(max(x,y)) minus(x,0()) -> x minus(s(x),s(y)) -> s(minus(x,any(y))) gcd(s(x),s(y)) -> gcd(minus(max(x,y),min(x,y)),s(min(x,y))) any(s(x)) -> s(s(any(x))) any(x) -> x Proof: DP Processor: DPs: min#(s(x),s(y)) -> min#(x,y) max#(s(x),s(y)) -> max#(x,y) minus#(s(x),s(y)) -> any#(y) minus#(s(x),s(y)) -> minus#(x,any(y)) gcd#(s(x),s(y)) -> min#(x,y) gcd#(s(x),s(y)) -> max#(x,y) gcd#(s(x),s(y)) -> minus#(max(x,y),min(x,y)) gcd#(s(x),s(y)) -> gcd#(minus(max(x,y),min(x,y)),s(min(x,y))) any#(s(x)) -> any#(x) TRS: min(x,0()) -> 0() min(0(),y) -> 0() min(s(x),s(y)) -> s(min(x,y)) max(x,0()) -> x max(0(),y) -> y max(s(x),s(y)) -> s(max(x,y)) minus(x,0()) -> x minus(s(x),s(y)) -> s(minus(x,any(y))) gcd(s(x),s(y)) -> gcd(minus(max(x,y),min(x,y)),s(min(x,y))) any(s(x)) -> s(s(any(x))) any(x) -> x TDG Processor: DPs: min#(s(x),s(y)) -> min#(x,y) max#(s(x),s(y)) -> max#(x,y) minus#(s(x),s(y)) -> any#(y) minus#(s(x),s(y)) -> minus#(x,any(y)) gcd#(s(x),s(y)) -> min#(x,y) gcd#(s(x),s(y)) -> max#(x,y) gcd#(s(x),s(y)) -> minus#(max(x,y),min(x,y)) gcd#(s(x),s(y)) -> gcd#(minus(max(x,y),min(x,y)),s(min(x,y))) any#(s(x)) -> any#(x) TRS: min(x,0()) -> 0() min(0(),y) -> 0() min(s(x),s(y)) -> s(min(x,y)) max(x,0()) -> x max(0(),y) -> y max(s(x),s(y)) -> s(max(x,y)) minus(x,0()) -> x minus(s(x),s(y)) -> s(minus(x,any(y))) gcd(s(x),s(y)) -> gcd(minus(max(x,y),min(x,y)),s(min(x,y))) any(s(x)) -> s(s(any(x))) any(x) -> x graph: gcd#(s(x),s(y)) -> gcd#(minus(max(x,y),min(x,y)),s(min(x,y))) -> gcd#(s(x),s(y)) -> gcd#(minus(max(x,y),min(x,y)),s(min(x,y))) gcd#(s(x),s(y)) -> gcd#(minus(max(x,y),min(x,y)),s(min(x,y))) -> gcd#(s(x),s(y)) -> minus#(max(x,y),min(x,y)) gcd#(s(x),s(y)) -> gcd#(minus(max(x,y),min(x,y)),s(min(x,y))) -> gcd#(s(x),s(y)) -> max#(x,y) gcd#(s(x),s(y)) -> gcd#(minus(max(x,y),min(x,y)),s(min(x,y))) -> gcd#(s(x),s(y)) -> min#(x,y) gcd#(s(x),s(y)) -> minus#(max(x,y),min(x,y)) -> minus#(s(x),s(y)) -> minus#(x,any(y)) gcd#(s(x),s(y)) -> minus#(max(x,y),min(x,y)) -> minus#(s(x),s(y)) -> any#(y) gcd#(s(x),s(y)) -> max#(x,y) -> max#(s(x),s(y)) -> max#(x,y) gcd#(s(x),s(y)) -> min#(x,y) -> min#(s(x),s(y)) -> min#(x,y) any#(s(x)) -> any#(x) -> any#(s(x)) -> any#(x) minus#(s(x),s(y)) -> any#(y) -> any#(s(x)) -> any#(x) minus#(s(x),s(y)) -> minus#(x,any(y)) -> minus#(s(x),s(y)) -> minus#(x,any(y)) minus#(s(x),s(y)) -> minus#(x,any(y)) -> minus#(s(x),s(y)) -> any#(y) max#(s(x),s(y)) -> max#(x,y) -> max#(s(x),s(y)) -> max#(x,y) min#(s(x),s(y)) -> min#(x,y) -> min#(s(x),s(y)) -> min#(x,y) SCC Processor: #sccs: 5 #rules: 5 #arcs: 14/81 DPs: gcd#(s(x),s(y)) -> gcd#(minus(max(x,y),min(x,y)),s(min(x,y))) TRS: min(x,0()) -> 0() min(0(),y) -> 0() min(s(x),s(y)) -> s(min(x,y)) max(x,0()) -> x max(0(),y) -> y max(s(x),s(y)) -> s(max(x,y)) minus(x,0()) -> x minus(s(x),s(y)) -> s(minus(x,any(y))) gcd(s(x),s(y)) -> gcd(minus(max(x,y),min(x,y)),s(min(x,y))) any(s(x)) -> s(s(any(x))) any(x) -> x Open DPs: minus#(s(x),s(y)) -> minus#(x,any(y)) TRS: min(x,0()) -> 0() min(0(),y) -> 0() min(s(x),s(y)) -> s(min(x,y)) max(x,0()) -> x max(0(),y) -> y max(s(x),s(y)) -> s(max(x,y)) minus(x,0()) -> x minus(s(x),s(y)) -> s(minus(x,any(y))) gcd(s(x),s(y)) -> gcd(minus(max(x,y),min(x,y)),s(min(x,y))) any(s(x)) -> s(s(any(x))) any(x) -> x Subterm Criterion Processor: simple projection: pi(minus#) = 0 problem: DPs: TRS: min(x,0()) -> 0() min(0(),y) -> 0() min(s(x),s(y)) -> s(min(x,y)) max(x,0()) -> x max(0(),y) -> y max(s(x),s(y)) -> s(max(x,y)) minus(x,0()) -> x minus(s(x),s(y)) -> s(minus(x,any(y))) gcd(s(x),s(y)) -> gcd(minus(max(x,y),min(x,y)),s(min(x,y))) any(s(x)) -> s(s(any(x))) any(x) -> x Qed DPs: any#(s(x)) -> any#(x) TRS: min(x,0()) -> 0() min(0(),y) -> 0() min(s(x),s(y)) -> s(min(x,y)) max(x,0()) -> x max(0(),y) -> y max(s(x),s(y)) -> s(max(x,y)) minus(x,0()) -> x minus(s(x),s(y)) -> s(minus(x,any(y))) gcd(s(x),s(y)) -> gcd(minus(max(x,y),min(x,y)),s(min(x,y))) any(s(x)) -> s(s(any(x))) any(x) -> x Subterm Criterion Processor: simple projection: pi(any#) = 0 problem: DPs: TRS: min(x,0()) -> 0() min(0(),y) -> 0() min(s(x),s(y)) -> s(min(x,y)) max(x,0()) -> x max(0(),y) -> y max(s(x),s(y)) -> s(max(x,y)) minus(x,0()) -> x minus(s(x),s(y)) -> s(minus(x,any(y))) gcd(s(x),s(y)) -> gcd(minus(max(x,y),min(x,y)),s(min(x,y))) any(s(x)) -> s(s(any(x))) any(x) -> x Qed DPs: max#(s(x),s(y)) -> max#(x,y) TRS: min(x,0()) -> 0() min(0(),y) -> 0() min(s(x),s(y)) -> s(min(x,y)) max(x,0()) -> x max(0(),y) -> y max(s(x),s(y)) -> s(max(x,y)) minus(x,0()) -> x minus(s(x),s(y)) -> s(minus(x,any(y))) gcd(s(x),s(y)) -> gcd(minus(max(x,y),min(x,y)),s(min(x,y))) any(s(x)) -> s(s(any(x))) any(x) -> x Subterm Criterion Processor: simple projection: pi(max#) = 1 problem: DPs: TRS: min(x,0()) -> 0() min(0(),y) -> 0() min(s(x),s(y)) -> s(min(x,y)) max(x,0()) -> x max(0(),y) -> y max(s(x),s(y)) -> s(max(x,y)) minus(x,0()) -> x minus(s(x),s(y)) -> s(minus(x,any(y))) gcd(s(x),s(y)) -> gcd(minus(max(x,y),min(x,y)),s(min(x,y))) any(s(x)) -> s(s(any(x))) any(x) -> x Qed DPs: min#(s(x),s(y)) -> min#(x,y) TRS: min(x,0()) -> 0() min(0(),y) -> 0() min(s(x),s(y)) -> s(min(x,y)) max(x,0()) -> x max(0(),y) -> y max(s(x),s(y)) -> s(max(x,y)) minus(x,0()) -> x minus(s(x),s(y)) -> s(minus(x,any(y))) gcd(s(x),s(y)) -> gcd(minus(max(x,y),min(x,y)),s(min(x,y))) any(s(x)) -> s(s(any(x))) any(x) -> x Subterm Criterion Processor: simple projection: pi(min#) = 1 problem: DPs: TRS: min(x,0()) -> 0() min(0(),y) -> 0() min(s(x),s(y)) -> s(min(x,y)) max(x,0()) -> x max(0(),y) -> y max(s(x),s(y)) -> s(max(x,y)) minus(x,0()) -> x minus(s(x),s(y)) -> s(minus(x,any(y))) gcd(s(x),s(y)) -> gcd(minus(max(x,y),min(x,y)),s(min(x,y))) any(s(x)) -> s(s(any(x))) any(x) -> x Qed