Combining Texts

Ideas for 'On the Question of Absolute Undecidability', 'Substance and Individuation in Leibniz' and 'Logic in Mathematics'

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5 ideas

5. Theory of Logic / K. Features of Logics / 1. Axiomatisation

16866

Tracing inference backwards closes in on a small set of axioms and postulates [Frege]

16868

The essence of mathematics is the kernel of primitive truths on which it rests [Frege]

16871

A truth can be an axiom in one system and not in another [Frege]

16870

Axioms are truths which cannot be doubted, and for which no proof is needed [Frege]

5. Theory of Logic / K. Features of Logics / 5. Incompleteness

17894

We have no argument to show a statement is absolutely undecidable [Koellner]