Combining Texts

Ideas for 'fragments/reports', 'The Problem of Natural Laws' and 'Plurals and Complexes'

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7 ideas

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 / F. Referring in Logic / 2. Descriptions / b. Definite descriptions

10671

Plural definite descriptions pick out the largest class of things that fit the description [Hossack]

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

10666

Plural reference will refer to complex facts without postulating complex things [Hossack]

10669

Plural reference is just an abbreviation when properties are distributive, but not otherwise [Hossack]

10675

A plural comprehension principle says there are some things one of which meets some condition [Hossack]

5. Theory of Logic / L. Paradox / 5. Paradoxes in Set Theory / d. Russell's paradox

10673

Plural language can discuss without inconsistency things that are not members of themselves [Hossack]