[gefh]

I mean, people have passed laws saying that pi=3 (and once even 4!) so I'm not even confident we can get that far.

[ASlave2Gravity]

Maths, as I understand it, is merely an a priori deduction from an initial set of assumed-true axioms. In some ways, you can do whatever the heck you like, as long as it's consistent with your axioms and whatever laws govern your deductive process.