News

Prime Day is coming back (again) this year; here's what we know so far, plus early deals. You can get three audiobooks to keep forever for a dollar each, plus access to thousands of audiobooks ...
Adapted from Foundations of Logic and Mathematics: Applications to Science and Cryptography â„—â™­ 2002 Birkhâ„“â„“user, this second edition provides a modern introduction to the foundations of logic, ...