“The maxim is, that whatever can be affirmed (or denied) of a class, may be affirmed (or denied) of everything included in the class. This axiom, supposed to be the basis of the syllogistic theory, is termed by logicians the dictum de omni et nullo.”
Quote by John Stuart Mill
Work
A System of Logic, Ratiocinative and Inductive: Being a Connected View of the Principles of Evidence and the Methods of Scientific Investigation
This book provides an in-depth exploration of logical principles and methods used in scientific investigation, emphasizing the importance of evidence-based reasoning. more
Author
John Stuart Mill
John Stuart Mill was an influential British philosopher, economist, and logician. He is one of the most important figures in 19th-century philosophy and his ideas had a profound impact on political, social, and philosophical thought of the time. more
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