An Investigation of the Laws of Thought (Barnes & Noble)

The following work is not a republication of a former treatise by the Author, entitled, \The Mathematical Analysis of Logic." Its earlier portion is indeeddevoted to the same object, and it begins by establishing the same system offundamental laws, but its methods are more general, and its range of applicationsfar wider. It exhibits the results, matured by some years of study andreflection, of a principle of investigation relating to the intellectual operations, the previous exposition of which was written within a few weeks after its ideahad been conceive