What is Sophistry? That some reasonings are genuine, while others seem to be so but are not, is evident. This happens with arguments, as also elsewhere, through a certain likeness between the genuine and the sham. For physically some people are in a vigorous condition, while others merely seem to be so by blowing and rigging themselves out as the tribesmen do their victims for sacrifice; and some people are […]
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“Categories” by Aristotle
Aristotle’s Foundational Works on Logic The general categories enumerated herein have been widely accepted and used even at present, which speaks to Aristotle’s enormous influence on western civilization. His reasoning, however, is faulty in quite a few instances, especially with regard to the relation between genus and species. Categories Substance, quantity, quality, relation, place, time, position, state, action, or affection. [–Update in 2014 –] 1. Substance Substance, in the truest […]
Read more“On Interpretation” by Aristotle
Propositions “Truth and falsity imply combination (copulation) and separation.” The denial must deny just that which the affirmation affirms concerning the same subject, and must correspond with the affirmation both in the universal or particular character of the subject and in the distributed or undistributed sense in which the proposition is understood. If anything else be negatively predicated of the subject or if anything else be the subject though the […]
Read more“Posterior Analytics” by Aristotle
The Cause of Its Own Essence Demonstration is syllogism that proves the cause, i.e. the reasoned fact, and it is rather the commensurate universal than the particular which is causative (as may be shown thus: that which possesses an attribute through its own essential nature is itself the cause of the inherence, and the commensurate universal is primary; hence the commensurate universal is the cause). To know its essential nature […]
Read more“Prior Analytics” by Aristotle
Demonstrative vs. Dialectical The demonstrative premiss differs from the dialectical, because the demonstrative premiss is the assertion of one of two contradictory statements, whereas the dialectical premiss depends on the adversary’s choice between two contradictories. A perfect syllogism needs nothing other than what has been stated to make plain what necessarily follows; a syllogism is imperfect, if it needs either one or more propositions, which are indeed the necessary consequences […]
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“Nicomachean Ethics” by Aristotle
Aristotle vs. Plato Having just finished and enjoyed Plato’s complete works, I find this book a bit annoying and uninspiring in comparison. Aristotle seems to take every opportunity to “correct” Plato, when in fact he is only attacking a strawman. His arguments, sometimes self-contradictory, often support and clarify Plato’s ideas, albeit using his own terminology. Aristotle seems to have great difficulty appreciating or understanding Plato’s abstractions (from species to genus, […]
Read more“Epistles” by Plato
“My greatness consists in making myself follow my own instructions.” (Letter II) Wisdom and Power “It is natural for wisdom and great power to come together, and they are for ever pursuing and seeking each other and consorting together. … When men talk about Hiero or about Pausanias the Lacedaemonian they delight to bring in their meeting with Simonides and what he did and said to them; and they are […]
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