MAYBE

Problem:
 f(x,y) -> f(x,x)
 f(s(x),y) -> f(y,x)

Proof:
 DP Processor:
  DPs:
   f#(x,y) -> f#(x,x)
   f#(s(x),y) -> f#(y,x)
  TRS:
   f(x,y) -> f(x,x)
   f(s(x),y) -> f(y,x)
  Open