Combining Texts

All the ideas for 'Science and Method', 'works' and 'The Logical Syntax of Language'

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

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4 ideas

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

13342

Carnap defined consequence by contradiction, but this is unintuitive and changes with substitution [Tarski on Carnap]

5. Theory of Logic / C. Ontology of Logic / 4. Logic by Convention

13251

Each person is free to build their own logic, just by specifying a syntax [Carnap]

6. Mathematics / A. Nature of Mathematics / 2. Geometry

10245

One geometry cannot be more true than another [Poincaré]

29. Religion / D. Religious Issues / 3. Problem of Evil / a. Problem of Evil

20698

Irenaeus says evil is necessary for perfect human development [Irenaeus, by Davies,B]