« first day (4308 days earlier)   

12:31 AM
@Derivative Is $n\\Bbb Z$ or $\Bbb Z[i]$? Maybe think quotient ring first?
 
 
2 hours later…
2:08 AM
@geocalc33 how is $\Bbb R_{>0}^2$ multiplicative?
 

« first day (4308 days earlier)