Combining Texts

All the ideas for 'The Runabout Inference Ticket', 'Letters to Leibniz' and 'works'

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6 ideas

4. Formal Logic / D. Modal Logic ML / 7. Barcan Formula

16519

No one can conceive of a possible substance, apart from those which God has created [Arnauld]

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

17896

We need to know the meaning of 'and', prior to its role in reasoning [Prior,AN, by Belnap]

17898

Prior's 'tonk' is inconsistent, since it allows the non-conservative inference A |- B [Belnap on Prior,AN]

11021

Prior rejected accounts of logical connectives by inference pattern, with 'tonk' his absurd example [Prior,AN, by Read]

13836

Maybe introducing or defining logical connectives by rules of inference leads to absurdity [Prior,AN, by Hacking]

18. Thought / B. Mechanics of Thought / 6. Artificial Thought / b. Turing Machines

3193	Turing showed that logical rules can be specified computationally and mechanically [Turing, by Rey]