YES Problem: +(*(x,y),*(a(),y)) -> *(+(x,a()),y) *(*(x,y),z) -> *(x,*(y,z)) Proof: DP Processor: DPs: +#(*(x,y),*(a(),y)) -> +#(x,a()) +#(*(x,y),*(a(),y)) -> *#(+(x,a()),y) *#(*(x,y),z) -> *#(y,z) *#(*(x,y),z) -> *#(x,*(y,z)) TRS: +(*(x,y),*(a(),y)) -> *(+(x,a()),y) *(*(x,y),z) -> *(x,*(y,z)) TDG Processor: DPs: +#(*(x,y),*(a(),y)) -> +#(x,a()) +#(*(x,y),*(a(),y)) -> *#(+(x,a()),y) *#(*(x,y),z) -> *#(y,z) *#(*(x,y),z) -> *#(x,*(y,z)) TRS: +(*(x,y),*(a(),y)) -> *(+(x,a()),y) *(*(x,y),z) -> *(x,*(y,z)) graph: *#(*(x,y),z) -> *#(y,z) -> *#(*(x,y),z) -> *#(x,*(y,z)) *#(*(x,y),z) -> *#(y,z) -> *#(*(x,y),z) -> *#(y,z) *#(*(x,y),z) -> *#(x,*(y,z)) -> *#(*(x,y),z) -> *#(x,*(y,z)) *#(*(x,y),z) -> *#(x,*(y,z)) -> *#(*(x,y),z) -> *#(y,z) +#(*(x,y),*(a(),y)) -> *#(+(x,a()),y) -> *#(*(x,y),z) -> *#(x,*(y,z)) +#(*(x,y),*(a(),y)) -> *#(+(x,a()),y) -> *#(*(x,y),z) -> *#(y,z) +#(*(x,y),*(a(),y)) -> +#(x,a()) -> +#(*(x,y),*(a(),y)) -> *#(+(x,a()),y) +#(*(x,y),*(a(),y)) -> +#(x,a()) -> +#(*(x,y),*(a(),y)) -> +#(x,a()) EDG Processor: DPs: +#(*(x,y),*(a(),y)) -> +#(x,a()) +#(*(x,y),*(a(),y)) -> *#(+(x,a()),y) *#(*(x,y),z) -> *#(y,z) *#(*(x,y),z) -> *#(x,*(y,z)) TRS: +(*(x,y),*(a(),y)) -> *(+(x,a()),y) *(*(x,y),z) -> *(x,*(y,z)) graph: *#(*(x,y),z) -> *#(y,z) -> *#(*(x,y),z) -> *#(y,z) *#(*(x,y),z) -> *#(y,z) -> *#(*(x,y),z) -> *#(x,*(y,z)) *#(*(x,y),z) -> *#(x,*(y,z)) -> *#(*(x,y),z) -> *#(y,z) *#(*(x,y),z) -> *#(x,*(y,z)) -> *#(*(x,y),z) -> *#(x,*(y,z)) CDG Processor: DPs: +#(*(x,y),*(a(),y)) -> +#(x,a()) +#(*(x,y),*(a(),y)) -> *#(+(x,a()),y) *#(*(x,y),z) -> *#(y,z) *#(*(x,y),z) -> *#(x,*(y,z)) TRS: +(*(x,y),*(a(),y)) -> *(+(x,a()),y) *(*(x,y),z) -> *(x,*(y,z)) graph: Qed