DEFINITION pr2_confluence__pr2_free_free() TYPE = ∀c:C.∀t0:T.∀t1:T.∀t2:T.(pr0 t0 t1)→(pr0 t0 t2)→(ex2 T λt:T.pr2 c t1 t λt:T.pr2 c t2 t) BODY =Show proof