11 public-domain matches
Mathematical Logic
Foundations of Software Science and Computation Structures
Tools and Algorithms for the Construction and Analysis of Systems
Imre Lakatos, John Worrall, Elie Zahar Proofs And Refutations The Logic Of Mathematical Discovery
Mathematical Logic And The Foundations Of Mathematics
The Mathematical Analysis of Logic
An investigation of the laws of thought, on which are founded the mathematical theories of logic and probabilities
An Investigation of the Laws of Thought on which are Founded the Mathematical Theories of Logic and Probabilities by George Boole

Philosophical essays

An Investigation of the Laws of Thought (Barnes & Noble)
Logic Taught by Love