helm/matita/tests/cut.ma

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   3 (*      ||M||                                                             *)
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  14
  15 set "baseuri" "cic:/matita/tests/cut".
  16 alias num (instance 0) = "natural number".
  17 alias symbol "eq" (instance 0) = "leibnitz's equality".
  18
  19 theorem stupid: 0 = 0.
  20   cut 0 = 0.
  21   assumption.
  22   reflexivity.
  23   qed.
  24