



 
Justin: If you mean the usual extended real number system of first year calculus, there are only two infinities (positive and negative). One would say (if one needed to, which one doesn't usually) that positive infinity is larger than negative infinity, but has the same absolute value, in the same sense that 1 is larger than 1 but has the same absolute value. http://www.math.wisc.edu/~keisler/calc.html RD  


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. 