Preface --
Introduction --
The generality of signs --
Dicisigns --
Some consequences of the dicisign doctrine --
Dicisigns and cognition --
Natural propositions--the evolution of semiotic self-control --
Dicisigns beyond language --
Operational and optimal iconicity in Peirce's diagrammatology --
Cows, red cows, and red herrings --
Corollarial and theorematic experiments with diagrams --
Strategies of research: Peirce's enlightenment maxims --
Perspective --
References --
Index.