The Limits of Epistemology
Markus Gabriel
The Works of John Locke; Volume 3
John Locke
The Language of Mathematics: Making the Invisible Visible
Keith J. Devlin
Non-Monotonic Reasoning: Formalization of Commonsense Reasoning
Witold Łukaszewicz
Integral Calculus and Differential Equations using Mathematica®
Cesar Perez Lopez
Hymns to an unknown God : awakening the spirit in everyday life
Sam Keen