Combining Texts

All the ideas for 'Gentzen's Analysis of First-Order Proofs', 'De Cive' and 'Apprehension: reason in absence of Rules'

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5 ideas

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 / 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]

12. Knowledge Sources / E. Direct Knowledge / 1. Common Sense

22668

Apprehension is a complex intellect grasping the essence of a complex object [Holt,L]

25. Social Practice / E. Policies / 1. War / c. Combatants

23609

I act justly if I follow my Prince in an apparently unjust war, and refusing to fight would be injustice [Hobbes]