1 set "baseuri" "cic:/matita/tests/auto/".
3 alias id "O" = "cic:/Coq/Init/Datatypes/nat.ind#xpointer(1/1/1)".
4 alias id "S" = "cic:/Coq/Init/Datatypes/nat.ind#xpointer(1/1/2)".
5 alias id "nat" = "cic:/Coq/Init/Datatypes/nat.ind#xpointer(1/1)".
6 alias symbol "eq" (instance 0) = "Coq's leibnitz's equality".
7 alias symbol "minus" (instance 0) = "Coq's natural minus".
8 alias symbol "plus" (instance 0) = "Coq's natural plus".
9 alias symbol "times" (instance 0) = "Coq's natural times".
10 theorem a : \forall x,y:nat. x*x+(S y) = O - x.