Combining Texts

All the ideas for 'A Theory of Conditionals', 'Philosophical Implications of Mathematical logic' and 'The Theory of Knowledge'

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8 ideas

5. Theory of Logic / C. Ontology of Logic / 1. Ontology of Logic

22329

Logic is highly general truths abstracted from reality [Russell, by Glock]

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

23476

Logical constants seem to be entities in propositions, but are actually pure form [Russell]

23477

We use logical notions, so they must be objects - but I don't know what they really are [Russell]

5. Theory of Logic / I. Semantics of Logic / 3. Logical Truth

18273

Logical truths are known by their extreme generality [Russell]

7. Existence / D. Theories of Reality / 8. Facts / d. Negative facts

22315

There can't be a negative of a complex, which is negated by its non-existence [Potter on Russell]

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]

15. Nature of Minds / C. Capacities of Minds / 5. Generalisation by mind

21569

It is good to generalise truths as much as possible [Russell]