As we humans also make up the definitions of all the word, we can certainly be generous and mess a bit with the definition of science to also cover mathematics.

As we humans also make up the definitions of all the word, we can certainly be generous and mess a bit with the definition of science to also cover mathematics. Given its importance for the other sciences, it seems a bit mean to exclude it from the club. And if you really want to exclude mathematics, you can simply refer to empirical sciences or whatnot and mathematics will understand. [1] [1] The Platonists might however disagree.