1 set "baseuri" "cic:/matita/tests/letrec/".
4 alias id "O" = "cic:/Coq/Init/Datatypes/nat.ind#xpointer(1/1/1)".
5 alias id "S" = "cic:/Coq/Init/Datatypes/nat.ind#xpointer(1/1/2)".
6 alias id "nat" = "cic:/Coq/Init/Datatypes/nat.ind#xpointer(1/1)".
11 | (S x) \Rightarrow S (plus x m) ].