Laws of logic

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Last updated 3:28 AM on 8/30/26
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4 Terms

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Law of Identity

a fundamental logical rule stating that each thing is identical to itself

2
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Law of Non Contradiction

A statement cannot be both true and false at the same time and in the same context

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Law of Excluded Middle

A statement must be either true or false, there is no third or middle option


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rules of Inference

are logical templates used to derive valid conclusions from a set of starting premises