Logic in 1980

Logic as a Positive Science by Della Volpe, Galvano

Topics in the Formal Methodology of Empirical Sciences by Wójcicki, Ryszard

Topics in Conditional Logic by Nute, Donald

Modal Logic: An Introduction by Chellas, Brian F.

Logic: Techniques of Formal Reasoning by Mar, Gary, Kalish, Donald, Montague, Richard

Logic and Philosophy / Logique Et Philosophie by

Logic Matters by Geach, P. T.

Action and Interpretation: Studies in the Philosophy of the Social Sciences by

From a Logical Point of View: Nine Logico-Philosophical Essays, Second Revised Edition by Quine, Willard Van Orman

Peter of Ailly: Concepts and Insolubles: An Annotated Translation by

Galileo and the Art of Reasoning: Rhetorical Foundation of Logic and Scientific Method by Finocchiaro, M. a.

Experience and Conduct: A Philosophical Enquiry Into Practical Thinking by Körner, Stephan

Justice, Law, and Argument: Essays on Moral and Legal Reasoning by Perelman, Ch

A Theory of Universals: Volume 2: Universals and Scientific Realism by Armstrong, D. M.

The Cement of the Universe: A Study of Causation by MacKie, John L., MacKie, J. L.

Elementary Logic: Revised Edition by Quine, Willard Van Orman

Sense and Contradiction: A Study in Aristotle by Dancy, R. M.

Reforging the Great Chain of Being: Studies of the History of Modal Theories by

The Foundations of Arithmetic: A Logico-Mathematical Enquiry into the Concept of Number by Frege, Gottlob

Ifs: Conditionals, Belief, Decision, Chance and Time by