Nullity? :) http://en.wikipedia.org/wiki/Transreal_arithmetic#Transreal_arithmetic http://en.wikipedia.org/wiki/Transreal_arithmetic#Transreal_... We had this

Nullity? :) http://en.wikipedia.org/wiki/Transreal_arithmetic#Transreal_arithmetic http://en.wikipedia.org/wiki/Transreal_arithmetic#Transreal_... We had this guy as a lecturer. Whether nullity exists or not (though James's argument is that it's as valid as j), and I have to admit his arithmetic does make some things simpler.