Proper subset
HomePage
|
Recent Changes
|
Preferences
Difference (from prior author revision)
(
minor diff
)
Changed: 5,7c5,7
Examples:
* {1, 2} is a strict subset of {1, 2, 3}
* {1, 2} is
not
a strict subset of {1, 2}
Examples:
* {1, 2} is a proper subset of {1, 2, 3}
* {1, 2} is
not
a proper subset of {1, 2}
A
set
X
is a
proper subset
, or strict subset, of a set
Y
if
X
is a
subset
of
Y
and
there is an element in
Y
that is not in
X
Examples:
{1, 2} is a proper subset of {1, 2, 3}
{1, 2} is
not
a proper subset of {1, 2}
![[Home]](wikipedia.png)