(VAR x y z) (RULES a(lambda(x),y) -> lambda(a(x,p(1,a(y,t)))) a(p(x,y),z) -> p(a(x,z),a(y,z)) a(a(x,y),z) -> a(x,a(y,z)) lambda(x) -> x a(x,y) -> x a(x,y) -> y p(x,y) -> x p(x,y) -> y ) (COMMENT simple termination of SUBST, see TERESE book page 248)
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