Mathematics is distinguished from the sciences by the freedom it enjoys in choosing basic assumptions from which consequences can be deduced by applying the laws of logic. We call the basic ...

One of the basic theorems in universal algebra is Birkhoff's variety theorem: the smallest equationally axiomatizable class containing a class K of algebras coincides with the class obtained by taking ...

In developing tests of fit based upon a sample On(xi) in the case that the cumulative distribution function F(X) of the universe of X's is not necessarily a function of a finite number of specific ...