An Investigation of the Laws of Thought :
Boole, George, 1815-1864
An Investigation of the Laws of Thought : On which are founded the mathematical theories of logic and probabilities [electronic resource] / George Boole - Project Gutenberg, 2005 - Project Gutenberg 15114 .
Public domain in the USA.
Electronic text
Probabilities Logic, Symbolic and mathematical Thought and thinking
BC
An Investigation of the Laws of Thought : On which are founded the mathematical theories of logic and probabilities [electronic resource] / George Boole - Project Gutenberg, 2005 - Project Gutenberg 15114 .
Public domain in the USA.
Electronic text
Probabilities Logic, Symbolic and mathematical Thought and thinking
BC