It's no argument that in order to understand higher level mathematics, one must first build a strong foundation.
And any foundation is built through the process of learning.
So /sci/, what are some good foundation mathematics books?
And no, contrary to popular belief, calling a book 'too easy' that someone else posted on a Botswanian trading card collection forum doesn't make you any smarter.
However, well constructed logic retorts might help.
Lang's Algebra gives a good introduction to abstract algebra
>>7959603
http://4chan-science.wikia.com/wiki/Mathematics
Is Basic Mathematics by Serge Lang any good?
>>7959603
http://scholarworks.gvsu.edu/books/7/
Here's a free book on set theory and proof writing.
Also "Linear Algebra Done Right" for linear algebra is good.