match true with
[ true \Rightarrow O
| false \Rightarrow (S O) ]
+###### INTERPRETATION NUMBER 1 ######
+### (* disambiguation environment *)
+alias id O = cic:/Coq/Init/Datatypes/nat.ind#1/1/1
+alias id S = cic:/Coq/Init/Datatypes/nat.ind#1/1/2
+alias id bool = cic:/Coq/Init/Datatypes/bool.ind#1/1
+alias id nat = cic:/Coq/Init/Datatypes/nat.ind#1/1
+alias id true = cic:/Coq/Init/Datatypes/bool.ind#1/1/1
### (* METASENV after disambiguation *)
### (* TERM after disambiguation *)