[ForOldHack]

You could read Kurt Godels paper,but it's literally undecyperable. The book is one on the best reads ever. It will also teach you how to think in very very formal ways. It made Calculus half the class it was, and I breezed through finite math.

Propositional Calulus will teach you to think in symbols you cannot even fathom. This alone is worth every minute reading the book.

Every few years I reread it, and get a new sense of solving problems. The book can be divided into parts... But the whole...