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Ideas for '', 'Posterior Analytics' and 'Parts'

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9 ideas

5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic

11211

If a sound conclusion comes from two errors that cancel out, the path of the argument must matter [Rumfitt]

5. Theory of Logic / A. Overview of Logic / 6. Classical Logic

12376

Demonstrations by reductio assume excluded middle [Aristotle]

5. Theory of Logic / B. Logical Consequence / 1. Logical Consequence

12373

Something holds universally when it is proved of an arbitrary and primitive case [Aristotle]

5. Theory of Logic / D. Assumptions for Logic / 2. Excluded Middle

12363

Everything is either asserted or denied truly [Aristotle]

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

11210

Standardly 'and' and 'but' are held to have the same sense by having the same truth table [Rumfitt]

11212

The sense of a connective comes from primitively obvious rules of inference [Rumfitt]

5. Theory of Logic / F. Referring in Logic / 1. Naming / a. Names

12876

Philosophy is stuck on the Fregean view that an individual is anything with a proper name [Simons]

5. Theory of Logic / G. Quantification / 6. Plural Quantification

12845

Some natural languages don't distinguish between singular and plural [Simons]

5. Theory of Logic / K. Features of Logics / 1. Axiomatisation

13004

Aristotle's axioms (unlike Euclid's) are assumptions awaiting proof [Aristotle, by Leibniz]