" 
 ::I wouldn't think of calling it ""mass noun""; that was an attempt to get people to understand my point when I couldn't think of a more-direct wording.  But ""basic concepts"" isn't really right either; it suggests that the study of the algebraic structures called ""Boolean algebras"" is a ""more advanced"" version of the topic treated in this article.  I hope you've understood by now that that is not the case.  "