Combining Philosophers

All the ideas for Celsus, Harold Joachim and Dag Prawitz

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8 ideas

3. Truth / D. Coherence Truth / 1. Coherence Truth

22304

Truth is conceivability, or the systematic coherence of a significant whole [Joachim]

5. Theory of Logic / A. Overview of Logic / 1. Overview of Logic

13831

Logic is based on transitions between sentences [Prawitz]

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

13827

Logical consequence isn't a black box (Tarski's approach); we should explain how arguments work [Prawitz]

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / a. Logical connectives

13825

Natural deduction introduction rules may represent 'definitions' of logical connectives [Prawitz]

5. Theory of Logic / H. Proof Systems / 4. Natural Deduction

13823

In natural deduction, inferences are atomic steps involving just one logical constant [Prawitz]

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

13826

Model theory looks at valid sentences and consequence, but not how we know these things [Prawitz]

25. Social Practice / F. Life Issues / 6. Animal Rights

1868	The world was made as much for animals as for man [Celsus]

29. Religion / B. Monotheistic Religion / 4. Christianity / a. Christianity

1867	Christians presented Jesus as a new kind of logos to oppose that of the philosophers [Celsus]