Quantification operators
forall
(forall (x:string) y)
(forall (x:string) y)
- binds
x
: a - takes
y
: r - produces r
- where a is any type
- where r is any type
Bind a universally-quantified variable
Supported in properties only.
exists
(exists (x:string) y)
(exists (x:string) y)
- binds
x
: a - takes
y
: r - produces r
- where a is any type
- where r is any type
Bind an existentially-quantified variable
Supported in properties only.
column-of
(column-of t)
(column-of t)
- takes
t
:table
- produces
type
The type of column
s for a given table
. Commonly used in conjunction with
quantification; e.g.:
(exists (col:(column-of accounts)) (column-written accounts col))
.
Supported in properties only.