2022-04-23 13:26:53 +01:00
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---
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2022-08-20 13:00:04 +01:00
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categories:
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2022-09-06 13:26:44 +01:00
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- Mathematics
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tags: [theorems, logic]
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2022-04-23 13:26:53 +01:00
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---
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2022-09-06 13:26:44 +01:00
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> Every proposition has to be either true or false. There can be no middle ground.
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>
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> $$
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> P \lor \sim P
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> $$
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