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Contradiction Contradiction

Contradiction - PowerPoint Presentation

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Uploaded On 2016-09-06

Contradiction - PPT Presentation

In classical logic a contradiction consists of a logical incompatibility between two or more propositions It occurs when the propositions taken together yield two conclusions which form the logical usually opposite inversions of each other Illustrating a general tendency in ap ID: 461380

contradiction logic logical classical logic contradiction classical logical propositions

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Presentation Transcript

Slide1

ContradictionSlide2

In

classical logic

, a

contradiction

consists of a logical incompatibility between two or more

propositions

. It occurs when the propositions, taken together, yield two

conclusions

which form the logical, usually opposite inversions of each other. Illustrating a general tendency in applied logic,

Aristotle's

law of

noncontradiction

states that "One cannot say of something that it is and that it is not in the same respect and at the same time."

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