The contributions in this part of the present issue mainly originate from the Carnap Lectures 2011 in Bochum where Prof. Tim Crane (Cambridge, UK) and Prof. Katalin Farkas (Budapest) presented keynote lectures under the heading ??The Boundaries of the Mental??. The full workshop program is available on our website: http://www.ruhr-uni-bochum.de/philosophy/carnap2011/index.html