Talk:Factor Spaces are T4 if Product Space is T4
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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)