set "baseuri" "cic:/matita/tests/test2/".
alias id "nat" = "cic:/Coq/Init/Datatypes/nat.ind#xpointer(1/1)".
-alias symbol "and" (instance 0) = "logical and".
-alias symbol "eq" (instance 0) = "leibnitz's equality".
+alias symbol "and" (instance 0) = "Coq's logical and".
+alias symbol "eq" (instance 0) = "Coq's leibnitz's equality".
theorem a:\forall x:nat.x=x\land x=x.
intro.
split.