Hugues Leblanc

An introduction to deductive logic

An introduction to deductive logic

Deductive logic

Deductive logic [by] Hugues Leblanc and William A. Wisdom

Essays in epistemology and semantics

Existence, truth, and provability

Foundations--logic, language, and mathematics

Lógica matemática

Québec studies in the philosophy of science

Statistical and inductive probabilities

Statistical and inductive probabilities

Techniques of deductive inference

Truth-value semantics