MAYBE Time: 0.283 Problem: Equations: plusAC(plusAC(x2,x3),x4) -> plusAC(x2,plusAC(x3,x4)) plusAC(x2,x3) -> plusAC(x3,x2) timesAC(timesAC(x2,x3),x4) -> timesAC(x2,timesAC(x3,x4)) timesAC(x2,x3) -> timesAC(x3,x2) plusAC(x2,plusAC(x3,x4)) -> plusAC(plusAC(x2,x3),x4) plusAC(x3,x2) -> plusAC(x2,x3) timesAC(x2,timesAC(x3,x4)) -> timesAC(timesAC(x2,x3),x4) timesAC(x3,x2) -> timesAC(x2,x3) TRS: plusAC(x,0()) -> x plusAC(x,s(y)) -> s(plusAC(x,y)) timesAC(x,0()) -> 0() timesAC(x,s(y)) -> plusAC(x,timesAC(x,y)) power(x,0()) -> s(0()) power(x,s(y)) -> timesAC(x,power(x,y)) Proof: DP Processor: Equations#: plus{AC,#}(plusAC(x2,x3),x4) -> plus{AC,#}(x2,plusAC(x3,x4)) plus{AC,#}(x2,x3) -> plus{AC,#}(x3,x2) times{AC,#}(timesAC(x2,x3),x4) -> times{AC,#}(x2,timesAC(x3,x4)) times{AC,#}(x2,x3) -> times{AC,#}(x3,x2) plus{AC,#}(x2,plusAC(x3,x4)) -> plus{AC,#}(plusAC(x2,x3),x4) plus{AC,#}(x3,x2) -> plus{AC,#}(x2,x3) times{AC,#}(x2,timesAC(x3,x4)) -> times{AC,#}(timesAC(x2,x3),x4) times{AC,#}(x3,x2) -> times{AC,#}(x2,x3) DPs: plus{AC,#}(x,s(y)) -> plus{AC,#}(x,y) times{AC,#}(x,s(y)) -> times{AC,#}(x,y) times{AC,#}(x,s(y)) -> plus{AC,#}(x,timesAC(x,y)) power#(x,s(y)) -> power#(x,y) power#(x,s(y)) -> times{AC,#}(x,power(x,y)) plus{AC,#}(x5,plusAC(x,0())) -> plus{AC,#}(x5,x) plus{AC,#}(x6,plusAC(x,s(y))) -> plus{AC,#}(x,y) plus{AC,#}(x6,plusAC(x,s(y))) -> plus{AC,#}(x6,s(plusAC(x,y))) times{AC,#}(x7,timesAC(x,0())) -> times{AC,#}(x7,0()) times{AC,#}(x8,timesAC(x,s(y))) -> times{AC,#}(x,y) times{AC,#}(x8,timesAC(x,s(y))) -> plus{AC,#}(x,timesAC(x,y)) times{AC,#}(x8,timesAC(x,s(y))) -> times{AC,#}(x8,plusAC(x,timesAC(x,y))) Equations: plusAC(plusAC(x2,x3),x4) -> plusAC(x2,plusAC(x3,x4)) plusAC(x2,x3) -> plusAC(x3,x2) timesAC(timesAC(x2,x3),x4) -> timesAC(x2,timesAC(x3,x4)) timesAC(x2,x3) -> timesAC(x3,x2) plusAC(x2,plusAC(x3,x4)) -> plusAC(plusAC(x2,x3),x4) plusAC(x3,x2) -> plusAC(x2,x3) timesAC(x2,timesAC(x3,x4)) -> timesAC(timesAC(x2,x3),x4) timesAC(x3,x2) -> timesAC(x2,x3) TRS: plusAC(x,0()) -> x plusAC(x,s(y)) -> s(plusAC(x,y)) timesAC(x,0()) -> 0() timesAC(x,s(y)) -> plusAC(x,timesAC(x,y)) power(x,0()) -> s(0()) power(x,s(y)) -> timesAC(x,power(x,y)) S: plus{AC,#}(plusAC(x9,x10),x11) -> plus{AC,#}(x9,x10) plus{AC,#}(x9,plusAC(x10,x11)) -> plus{AC,#}(x10,x11) times{AC,#}(timesAC(x9,x10),x11) -> times{AC,#}(x9,x10) times{AC,#}(x9,timesAC(x10,x11)) -> times{AC,#}(x10,x11) AC-EDG Processor: Equations#: plus{AC,#}(plusAC(x2,x3),x4) -> plus{AC,#}(x2,plusAC(x3,x4)) plus{AC,#}(x2,x3) -> plus{AC,#}(x3,x2) times{AC,#}(timesAC(x2,x3),x4) -> times{AC,#}(x2,timesAC(x3,x4)) times{AC,#}(x2,x3) -> times{AC,#}(x3,x2) plus{AC,#}(x2,plusAC(x3,x4)) -> plus{AC,#}(plusAC(x2,x3),x4) plus{AC,#}(x3,x2) -> plus{AC,#}(x2,x3) times{AC,#}(x2,timesAC(x3,x4)) -> times{AC,#}(timesAC(x2,x3),x4) times{AC,#}(x3,x2) -> times{AC,#}(x2,x3) DPs: plus{AC,#}(x,s(y)) -> plus{AC,#}(x,y) times{AC,#}(x,s(y)) -> times{AC,#}(x,y) times{AC,#}(x,s(y)) -> plus{AC,#}(x,timesAC(x,y)) power#(x,s(y)) -> power#(x,y) power#(x,s(y)) -> times{AC,#}(x,power(x,y)) plus{AC,#}(x5,plusAC(x,0())) -> plus{AC,#}(x5,x) plus{AC,#}(x6,plusAC(x,s(y))) -> plus{AC,#}(x,y) plus{AC,#}(x6,plusAC(x,s(y))) -> plus{AC,#}(x6,s(plusAC(x,y))) times{AC,#}(x7,timesAC(x,0())) -> times{AC,#}(x7,0()) times{AC,#}(x8,timesAC(x,s(y))) -> times{AC,#}(x,y) times{AC,#}(x8,timesAC(x,s(y))) -> plus{AC,#}(x,timesAC(x,y)) times{AC,#}(x8,timesAC(x,s(y))) -> times{AC,#}(x8,plusAC(x,timesAC(x,y))) Equations: plusAC(plusAC(x2,x3),x4) -> plusAC(x2,plusAC(x3,x4)) plusAC(x2,x3) -> plusAC(x3,x2) timesAC(timesAC(x2,x3),x4) -> timesAC(x2,timesAC(x3,x4)) timesAC(x2,x3) -> timesAC(x3,x2) plusAC(x2,plusAC(x3,x4)) -> plusAC(plusAC(x2,x3),x4) plusAC(x3,x2) -> plusAC(x2,x3) timesAC(x2,timesAC(x3,x4)) -> timesAC(timesAC(x2,x3),x4) timesAC(x3,x2) -> timesAC(x2,x3) TRS: plusAC(x,0()) -> x plusAC(x,s(y)) -> s(plusAC(x,y)) timesAC(x,0()) -> 0() timesAC(x,s(y)) -> plusAC(x,timesAC(x,y)) power(x,0()) -> s(0()) power(x,s(y)) -> timesAC(x,power(x,y)) S: plus{AC,#}(plusAC(x9,x10),x11) -> plus{AC,#}(x9,x10) plus{AC,#}(x9,plusAC(x10,x11)) -> plus{AC,#}(x10,x11) times{AC,#}(timesAC(x9,x10),x11) -> times{AC,#}(x9,x10) times{AC,#}(x9,timesAC(x10,x11)) -> times{AC,#}(x10,x11) Open