Combining Texts

All the ideas for 'The Sign of Four', 'Second Philosophy' and 'Letters to Jourdain'

expand these ideas     |    start again     |     specify just one area for these texts

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6 ideas

5. Theory of Logic / A. Overview of Logic / 7. Second-Order Logic

10594

Henkin semantics is more plausible for plural logic than for second-order logic [Maddy]

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

8447	In 'Etna is higher than Vesuvius' the whole of Etna, including all the lava, can't be the reference [Frege]

5. Theory of Logic / F. Referring in Logic / 1. Naming / b. Names as descriptive

8448	Any object can have many different names, each with a distinct sense [Frege]

14. Science / C. Induction / 1. Induction

22200

If you eliminate the impossible, the truth will remain, even if it is weird [Conan Doyle]

19. Language / A. Nature of Meaning / 7. Meaning Holism / a. Sentence meaning

8446	We understand new propositions by constructing their sense from the words [Frege]

19. Language / B. Reference / 4. Descriptive Reference / a. Sense and reference

8449	Senses can't be subjective, because propositions would be private, and disagreement impossible [Frege]