Combining Texts

All the ideas for 'On Sufficient Reason', 'A Theory of Conditionals' and 'Lectures on Ethics'

expand these ideas     |    start again     |     specify just one area for these texts

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5 ideas

2. Reason / B. Laws of Thought / 1. Laws of Thought

19404

Necessities rest on contradiction, and contingencies on sufficient reason [Leibniz]

10. Modality / B. Possibility / 8. Conditionals / a. Conditionals

14286

In nearby worlds where A is true, 'if A,B' is true or false if B is true or false [Stalnaker]

10. Modality / E. Possible worlds / 2. Nature of Possible Worlds / a. Nature of possible worlds

14285

A possible world is the ontological analogue of hypothetical beliefs [Stalnaker]

25. Social Practice / F. Life Issues / 4. Suicide

19739

The maxim for suicide is committed to the value of life, and is thus contradictory [Kant]

26. Natural Theory / D. Laws of Nature / 8. Scientific Essentialism / c. Essence and laws

19403

Each of the infinite possible worlds has its own laws, and the individuals contain those laws [Leibniz]