Ian M. Banks, Consider Phlebas (thanks Jérôme!), The Algebraist. First time I read a book from the Culture cycle. The Algebraist is sci-fi as well but not from the same cycle.
William Gibson, Pattern Recognition and Spook Country.
Greg Egan, Riding the Crocodile and the serie Oracle | Singleton. Via Tom Moody
Three lectures by Per Martin-Löf. “On the Meanings of the Logical Constants and the Justifications of the Logical Laws.” Nordic Journal of Philosophical Logic, 1(1): 11-60, 1996 http://www.hf.uio.no/filosofi/njpl/vol1no1/meaning/meaning.html
Uh… this is not what I read all the time, but it happened like this.