MAYBE 0.08/0.18 MAYBE 0.08/0.18 0.08/0.18 Problem: 0.08/0.18 terms(N) -> cons(recip(sqr(N))) 0.08/0.18 sqr(0()) -> 0() 0.08/0.18 sqr(s(X)) -> s(add(sqr(X),dbl(X))) 0.08/0.18 dbl(0()) -> 0() 0.08/0.18 dbl(s(X)) -> s(s(dbl(X))) 0.08/0.18 add(0(),X) -> X 0.08/0.18 add(s(X),Y) -> s(add(X,Y)) 0.08/0.18 first(0(),X) -> nil() 0.08/0.18 first(s(X),cons(Y)) -> cons(Y) 0.08/0.18 0.08/0.18 Proof: 0.08/0.18 Open 0.08/0.18 EOF