+set "baseuri" "cic:/matita/tests/simpl/".
+
alias id "not" = "cic:/Coq/Init/Logic/not.con".
-alias symbol "eq" (instance 0) = "leibnitz's equality".
+alias symbol "eq" (instance 0) = "Coq's leibnitz's equality".
theorem a :
\forall A:Set.
\forall x,y : A.
intro. apply H.
symmetry.
exact H1.
-qed.
\ No newline at end of file
+qed.