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Subset and Equality (Continued)
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Example
Set Quantifier
{
x
in
S
: A}
Variable
x
, term
S
, formula
A
.
Term whose value is the set of all elements
x
in
S
with property
A
:
forall
x
:
x
in {x in S: A} <=> (
x
in
S
/\
A
).
Variable domain
S
dropped, if clear from context:
{
x
:
A
}
Tool to construct subsets of given sets.
Author:
Wolfgang Schreiner
Last Modification: October 14, 1999