Logic

• Assigning Meaning to Proofs - Report by Robert Constable, subtitled `A semantic basis for problem solving environments'. Constable's aim is to use metamathematical results to guide the making of framewroks for constructive logic, as part of the NuPrl project.
• Interpreting Formal Logic - Article by Jaroslav Peregrin. [PDF]
• The Meanings of Logical Constants - Essay by Gilbert Harman, arguing for Prawitz's approach to the semantics of logic based upon a conceptual role semantics.
• On the Meaning of the Logical Constants and the Justifications of the Logical Laws - Lecture notes of Per Martin-Löf. Argues that a close analysis of the concepts of proof, judgement and justification yield a direct, constructive account of the meaning of logical judgements.
• Satisfaction - An introduction to the model-theoretic stasfaction relation, by Peter Suber.
• Torkel Franzén's Homepage - Contains his PhD thesis, `Provability and Truth'.
• What Can't Be Evaluated, Can't Be Evaluated; and It Can't Be Supervalued Either - Essay by Jerry Fodor and Ernie Lepore attacking an argument for maintaining principle of the excluded middle in the absence of bivalence by the device of supervaluations. [PDF]