Books on Amazon
McGinn thesis: reason cannot establish a complete theory of its own.
Rational deduction/skepticism/transcendental naturalism/McGinn: there is a deep theoretical void in terms of our ability to rational deduction. We have no ability to uncover the affirmative principles.
Die Grenzen vernünftigen Fragens Stuttgart 1996
Wie kommt der Geist in die Materie? München 2001