The Seas of Language

What is the theory of meaning (I); what is the theory of meaning (II); what do I know when I know a language?; what does the appeal to use do for the theory of meaning?; language and truth; truth and meaning; language and communication; the source of the concept of truth; mood, force and convention; Frege and Husserl on reference; realism; existence; does quantification involve identity?; could there be unicorns?; causal loops; common sense and physics; testimony and memory; what is mathematics about?; Wittgenstein on necessity - some reflections; realism and anti-realism.