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Ideas for 'Commentary on 'De Anima'', 'Reasoning and the Logic of Things' and 'Which Logic is the Right Logic?'

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2 ideas

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / b. Basic connectives

10762

In sentential logic there is a simple proof that all truth functions can be reduced to 'not' and 'and' [Tharp]

5. Theory of Logic / E. Structures of Logic / 6. Relations in Logic

19238

The logic of relatives relies on objects built of any relations (rather than on classes) [Peirce]