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Ideas for 'fragments/reports', 'Criterion of Validity in Reasoning' and 'System of Logic'

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7 ideas

5. Theory of Logic / A. Overview of Logic / 3. Value of Logic

14780

Only study logic if you think your own reasoning is deficient [Peirce]

5. Theory of Logic / B. Logical Consequence / 5. Modus Ponens

8078	Modus ponens is one of five inference rules identified by the Stoics [Chrysippus, by Devlin]

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

6023	Every proposition is either true or false [Chrysippus, by Cicero]

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

17895

Combining two distinct assertions does not necessarily lead to a single 'complex proposition' [Mill]

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

10427

All names are names of something, real or imaginary [Mill]

5. Theory of Logic / F. Referring in Logic / 1. Naming / c. Names as referential

4944	Mill says names have denotation but not connotation [Mill, by Kripke]

7762	Proper names are just labels for persons or objects, and the meaning is the object [Mill, by Lycan]