According to Aristotle, first philosophy, or metaphysics, deals with ontology and first principles, of which the principle (or law) of non-contradiction is the firmest. Aristotle says that without the principle of non-contradiction we could not know anything that we do know.
plato.stanford.edu/entries/aristotle-noncontradiction/ plato.stanford.edu/entries/aristotle-noncontradiction/
Evidence for Christianity website ... The Use Of Aristotle's Law Of Non-Contradiction To Defend Christianity; The ways in which the Law of Non-Contradiction might be used to defend the Christian faith, are numerous. If one were to take an approach like that used by Francis ;
www.evidenceforchristianity.org/index.php?option=com_cu... www.evidenceforchristianity.org/index.php?option=com_custom_content&task=view&id=3580
Principle of contradiction - Wikipedia, the free encyclopedia
In logic, the Principle of contradiction ( principium contradictionis in Latin) is the second of the so-called three classic laws of thought. The oldest statement of the law is that contradictory ...
en.wikipedia.org/wiki/Principle_of_contradiction
-Aristotle, Metaphysics, 1005b12-20; Formulation for the Law of Non-contradiction ; Featured Links: Cristopher Nolasco has posted some of his wonderful work, "Masters from Greece Triptych" with Socrates, Plato and Aristotle.
www.non-contradiction.com/ www.non-contradiction.com/
GRAHAM PRIEST: To be and not to be - that is the answer. On Aristotle on the Law of Non-Contradiction ... In Metaphysics III, Chapter 4, Aristotle sets out and defends the Law of Non-Contradiction. The arguments are, however, rather less satisfactory than one might have expected, given the enormous historical influence...
www.pla.uni-bonn.de/EnglishPages/Schaufenster/Volume1Fr... www.pla.uni-bonn.de/EnglishPages/Schaufenster/Volume1Frames/GRAHAMPRIEST.htm
The law of non-contradiction says, I guess, that for any P, P is incompatible with not-P. ... If a particular act displays aspects of both morality and immorality, or moral and nonmoral aspects, then both can easily be true. You would likely argue this is not a true contradiction, but Aristotle would disagree with you.
www.philosophyetc.net/2005/05/law-of-non-contradiction.... www.philosophyetc.net/2005/05/law-of-non-contradiction.html
The way to eliminate contradictions is to employ an analytic logic which divides things into ever smaller parts until the contradiction disappears. When Plato and Aristotle qualify the law of non-contradiction and say "in the same respect," and "at the same time," what they are doing is breaking a thing down into its parts.
www.the-philosopher.co.uk/lawsofthought.htm www.the-philosopher.co.uk/lawsofthought.htm
To borrow from Aristotle, the law of non-contradiction is summed up by saying “One cannot say of something that it is and that it is not in the same respect and at the same time.“...
thinkerspodium.wordpress.com/2007/10/07/ontological-arg... thinkerspodium.wordpress.com/2007/10/07/ontological-arguments-supreme-gods-and-the-law-of-non-contradiction/
Though lamenting the influence of Aristotle on the West, Tarr never shows that the East somehow escapes from reason and communicates without the law of non-contradiction. Even far less precise languages and thought patterns that do not emphasize logical syllogisms, etc.
www.lycos.com/info/law-of-noncontradiction--law-of-non-... www.lycos.com/info/law-of-noncontradiction--law-of-non-contradiction.html
The Law of Non-Contradiction - that no contradiction can be true - has been a seemingly unassailable dogma since the work of Aristotle, in Book G of the...
www.oup.com/us/catalog/general/subject/Philosophy/Logic... www.oup.com/us/catalog/general/subject/Philosophy/LogicMathematics/?view=usa&ci=9780199265176