R |
subclass of Relation |
F |
subclass of Function |
P |
subclass of Predicate |
A |
subclass of Attribute |
r |
child of Relation |
f |
child of Function |
p |
child of Predicate |
a |
child of Attribute |
l |
logical operator |
q |
quantifier |
y |
function |
m |
math function |
~ |
comparison operator |
c |
is subclass c in some (subclass c C) formula |
C |
is superclass C in some (subclass c C) formula |
i |
is instance i in some (instance i c) formula |
s |
is subrelation s in some (subrelation s S) formula |
S |
is superrelation S in some (subrelation s S) formula |
@ |
is relation operator in formula |