Combining Texts

All the ideas for 'Action, Intention and Reason', 'Meditatio de principio individui' and 'Symbolic Reasoning'

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3 ideas

4. Formal Logic / F. Set Theory ST / 3. Types of Set / b. Empty (Null) Set

21548

The null class is the class with all the non-existents as its members [MacColl, by Lackey]

20. Action / C. Motives for Action / 3. Acting on Reason / c. Reasons as causes

20064

Actions are not mere effects of reasons, but are under their control [Audi,R]

26. Natural Theory / C. Causation / 9. General Causation / d. Causal necessity

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Causes can be inferred from perfect knowledge of their effects [Leibniz]