Logic, symbolic and mathematical
110 books
How to solve it
Discrete Mathematics and Its Applications
Tractatus logico-philosophicus
How to prove it
Understanding Symbolic Logic
The Logic Book
Mathematics and plausible reasoning
Principia mathematica
An Investigation of the Laws of Thought (Barnes & Noble)
Algèbre de la logique
Is God a mathematician?
Proofs and refutations
The art of reasoning
Representing and reasoning with probabilistic knowledge
A concise introduction to pure mathematics
Computation: finite and infinite machines
Grundlagen der Arithmetik
Infinity and the mind
Schaum's outline of theory and problems of discrete mathematics
Word and object
The Essential Turing
Mathematical proofs
Symbolic logic
The art of reasoning
Mathematical logic
Essence of logic
Logic
A Beginners Guide To Mathematical Logic
First-order logic