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Ideas for 'Parmenides', 'Lectures 1930-32 (student notes)' and 'Intermediate Logic'

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5 ideas

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

13357

Truth-functors are usually held to be defined by their truth-tables [Bostock]

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / c. not

18723

We may correctly use 'not' without making the rule explicit [Wittgenstein]

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / d. and

18718

Saying 'and' has meaning is just saying it works in a sentence [Wittgenstein]

5. Theory of Logic / E. Structures of Logic / 5. Functions in Logic

13812

A 'zero-place' function just has a single value, so it is a name [Bostock]

13811

A 'total' function ranges over the whole domain, a 'partial' function over appropriate inputs [Bostock]