Q and R (reals and rationals) are not isomorphic because some elements in R are not division rings correct? (such as pi)?
Follow Math Help Forum on Facebook and Google+
Originally Posted by sfspitfire23 Q and R (reals and rationals) are not isomorphic because some elements in R are not division rings correct? (such as pi)? Unless I am much mistake, an element cannot be a division ring. It makes no sense! Assume they are isomorphic, and let . Where is mapped to, and where is mapped to? (I am assuming you mean not isomorphic as rings, and not as groups?)
Ah, sorry, I mean the rings Q and R.
View Tag Cloud