Saturday, 25 January 2014

elementary set theory - How to Prove mathbbRtimesmathbbRsimmathbbR?

How to prove R×R∼R?




I know you have to split the problem up into two claims, for each direction to prove that it is a bijection, but i don't know how to go much further than that...

-

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)

real analysis - How to find limhrightarrow0fracsin(ha)h

How to find lim without lhopital rule? I know when I use lhopital I easy get $$ \lim_{h\rightarrow 0}...