Talk:Factor Spaces are T4 if Product Space is T4

The product of T4 spaces doesn't have to be T4. An example is the Sorgenfrey line $E$, and the product $E\times E$. --Dan232 13:07, 4 December 2011 (CST)


 * Yes, I know. Where in this page does it say it does? --prime mover 13:15, 4 December 2011 (CST)
 * Sorry, I didn't pay attention while reading the title. --Dan232 13:20, 4 December 2011 (CST)