700.40/299.39 MAYBE 700.40/299.39 700.40/299.39 Problem: 700.40/299.39 strict: 700.40/299.39 f(act(),y) -> f(el(nact()),y) 700.40/299.39 f(x,nact()) -> f(x,act()) 700.40/299.39 act() -> el(nact()) 700.40/299.39 l(el(x)) -> el(l(x)) 700.40/299.39 el(r(x)) -> r(el(x)) 700.40/299.39 weak: 700.40/299.39 nact() -> l(nact()) 700.40/299.39 nact() -> r(nact()) 700.40/299.39 700.40/299.39 Proof: 700.40/299.39 Open 700.40/299.39 EOF