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*Date: [http://www.wikpedia.org/wiki/14th_Century 14th century]

*Date: [https://www.wikpedia.org/wiki/14th_Century 14th century]

==Definitions==

==Definitions==

*1 : [[act]] or an instance of contradicting

*1 : [[act]] or an instance of contradicting

By extension, outside of [[classical]] [[logic]], one can speak of contradictions between [[actions]] when one presumes that their [[motives]] contradict each other.

By extension, outside of [[classical]] [[logic]], one can speak of contradictions between [[actions]] when one presumes that their [[motives]] contradict each other.

==History==

==History==

By [[creation]] of a [[paradox]] [http://en.wikipedia.org/wiki/Plato Plato]'s ''Dialog of Euthydemus'' [[demonstrates]] the need for the notion of contradiction. In the ensuing dialog Dionysodorus denies the [[existence]] of "contradiction", all the while that Plato is contradicing him:

By [[creation]] of a [[paradox]] [https://en.wikipedia.org/wiki/Plato Plato]'s ''Dialog of Euthydemus'' [[demonstrates]] the need for the notion of contradiction. In the ensuing dialog Dionysodorus denies the [[existence]] of "contradiction", all the while that Plato is contradicing him:

   <blockquote> ". . . I in my astonishment said: What do you mean Dionysodorus? I have often heard, and have been amazed to hear, this thesis of yours, which is maintained and employed by the [[disciples]] of Protagoras [a Sophist, the [[argument]] of whom Aristotle rebutts during his enunciation of the Law of Noncontradiction], and others before them, and which to me appears to be quite [[wonderful]], and [[suicidal]] as well as destructive, and I think that I am most likely to hear the [[truth]] about it from you. The dictum is that there is no such thing as a [[falsehood]]; a man must either say what is true or say nothing. Is not that your position?  </blockquote>

   <blockquote> ". . . I in my astonishment said: What do you mean Dionysodorus? I have often heard, and have been amazed to hear, this thesis of yours, which is maintained and employed by the [[disciples]] of Protagoras [a Sophist, the [[argument]] of whom Aristotle rebutts during his enunciation of the Law of Noncontradiction], and others before them, and which to me appears to be quite [[wonderful]], and [[suicidal]] as well as destructive, and I think that I am most likely to hear the [[truth]] about it from you. The dictum is that there is no such thing as a [[falsehood]]; a man must either say what is true or say nothing. Is not that your position?  </blockquote>

   <blockquote>Indeed, Dionysodorus [[agrees]] that "there is no such [[thing]] as [[false]] [[opinion]] . . . there is no such thing as [[ignorance]]" and demands of Plato to "Refute me." Plato responds "But how can I refute you, if, as you say, to tell a falsehood is impossible?" [http://en.wikipedia.org/wiki/Contradiction]</blockquote>.

   <blockquote>Indeed, Dionysodorus [[agrees]] that "there is no such [[thing]] as [[false]] [[opinion]] . . . there is no such thing as [[ignorance]]" and demands of Plato to "Refute me." Plato responds "But how can I refute you, if, as you say, to tell a falsehood is impossible?" [https://en.wikipedia.org/wiki/Contradiction]</blockquote>.

[[Category: Philosophy]]

[[Category: Philosophy]]