Combining Texts

Ideas for 'Actualism and Thisness', 'Letters to Jourdain' and 'works'

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5 ideas

5. Theory of Logic / A. Overview of Logic / 4. Pure Logic

10048

There is no clear boundary between the logical and the non-logical [Tarski]

5. Theory of Logic / B. Logical Consequence / 4. Semantic Consequence |=

10694

Logical consequence is when in any model in which the premises are true, the conclusion is true [Tarski, by Beall/Restall]

10479

Logical consequence: true premises give true conclusions under all interpretations [Tarski, by Hodges,W]

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]