A Transition to Advanced Mathematics
Douglas Smith & Maurice Eggen & Richard St. Andre
Mathematica®: A System for Doing Mathematics by Computer
Stephen Wolfram
Principles of reasoning An introduction to logic, methodology, ...
Henry Siggins Leonard
Philosophy in Dialogue: Plato's Many Devices
Gary Alan Scott
Tense
Bernard Comrie & Professor Of Linguistics Bernard Comrie
The Great Triad
René Guénon
Fundamental Symbols: The Universal Language of Sacred Science