Version of 3 October 2018

A self-contained and elementary introduction to permutations and determinants; also includes some basic material on binomial coefficients and recurrent sequences. Some 80 exercises with solutions, and some 20 more exercises without.

This is a frozen version, created on the 3rd of October 2018, archived here so that it can be referenced. The version on http://www.cip.ifi.lmu.de/~grinberg/ (and in the actual repository) will probably see some updates (and the numbering will change).