# Is X a subset of X * Y

• Sep 30th 2008, 09:00 AM
szpengchao
Is X a subset of X * Y
Is X a subset of
$
X \times Y ?

$
• Oct 1st 2008, 06:53 PM
ThePerfectHacker
Quote:

Originally Posted by szpengchao
Is X a subset of
$
X \times Y ?

$

Let $X=Y= \{0\}$.
What does that tell you?