1. Jaakko Hintikka. Knowledge and Belief: An Introduction to the Logic of the Two Notions. Cornell University Press, Ithaca, N. Y., 1962.
   Keywords: modal logic, epistemic logic, honours reading. [bibtex-entry]

1. Jaakko Hintikka. Impossible, Possible Worlds Vindicated. The Journal of Philosophical Logic, 4(3):475--484, 1975.
   Keywords: modal logic, epistemic logic, model theory, honours reading. [bibtex-entry]

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