Combining Texts

Ideas for 'Through the Looking Glass', 'Frege philosophy of mathematics' and 'Ontology and Mathematical Truth'

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2 ideas

5. Theory of Logic / A. Overview of Logic / 6. Classical Logic

9820	In classical logic, logical truths are valid formulas; in higher-order logics they are purely logical [Dummett]

5. Theory of Logic / J. Model Theory in Logic / 1. Logical Models

9968	A model is 'fundamental' if it contains only concrete entities [Jubien]