Referential opacity and modal logic [electronic resource] / Dagfinn Føllesdal.
Series: Studies in philosophy (New York, N.Y.)Publication details: New York : Routledge, 2004.Description: xxxvi, 157 pISBN:- 9780203337295
- Also available in print edition.

Includes bibliographical references (p. 145-150) and index.
Also available in print edition.
Mode of access: World Wide Web.