MAYBE 0.07/0.18 MAYBE 0.07/0.18 0.07/0.18 Problem: 0.07/0.18 lt(x,0()) -> false() 0.07/0.18 lt(0(),s(y)) -> true() 0.07/0.18 lt(s(x),s(y)) -> lt(x,y) 0.07/0.18 plus(x,0()) -> x 0.07/0.18 plus(x,s(y)) -> s(plus(x,y)) 0.07/0.18 quot(x,s(y)) -> help(x,s(y),0()) 0.07/0.18 help(x,s(y),c) -> if(lt(c,x),x,s(y),c) 0.07/0.18 if(true(),x,s(y),c) -> s(help(x,s(y),plus(c,s(y)))) 0.07/0.18 if(false(),x,s(y),c) -> 0() 0.07/0.18 0.07/0.18 Proof: 0.07/0.18 Open 0.07/0.18 EOF