Inferential Role Semantics
Links
What is (Nonsolipsistic) Conceptual Role Semantics?
http://www.nyu.edu/gsas/dept/philo/courses/concepts/NonSolips.html
Article by Gilbert Harman defending a variety of inferential role semantics in which the primary use of concepts lies in their use in `calculation'.
The Meanings of Logical Constants
http://www.nyu.edu/gsas/dept/philo/courses/concepts/meaning.html
Essay by Gilbert Harman, arguing for Prawitz's approach to the semantics of logic based upon an inferential role semantics.
Conceptual Role Semantics
http://www.nyu.edu/gsas/dept/philo/faculty/block/papers/ConceptualRoleSemantics.html
Entry by Ned Block in the Routledge Encyclopaedia of Philosophy.