Investigation of the Laws of Thought e-bog

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Information upon the subject-matter will be found in the special treatises on Probabilities in Lardner's Cabinet Cyclopaedia, and the Library of Useful Knowledge, the former of these by Professor De Morgan, the latter by Sir John Lubbock; and in.