DF
Size: a a a
DF
TP
V0
TP
TP
{:db/ident :reg/course
:db/valueType :db.type/ref
:db/cardinality :db.cardinality/one}
{:db/ident :reg/semester
:db/valueType :db.type/ref
:db/cardinality :db.cardinality/one}
{:db/ident :reg/student
:db/valueType :db.type/ref
:db/cardinality :db.cardinality/one}
IG
DF
TP
DF
DF
DF
DF
TP
VM
VM
TP
DF
TP