matita/matita/tests/clear.ma

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  14
  15
  16 include "coq.ma".
  17 alias num (instance 0) = "natural number".
  18 alias symbol "eq" (instance 0) = "Coq's leibnitz's equality".
  19 alias id "True" = "cic:/Coq/Init/Logic/True.ind#xpointer(1/1)".
  20
  21 theorem stupid:
  22   \forall a: True.
  23   \forall b: 0 = 0.
  24   0 = 0.
  25 intros 1 (H).
  26 clear H.
  27 intros 1 (H).
  28 exact H.
  29 qed.
  30