Combining Texts

All the ideas for 'Good and Evil', 'On the Algebra of Logic' and 'The Runabout Inference Ticket'

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

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6 ideas

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]

10. Modality / B. Possibility / 8. Conditionals / d. Non-truthfunction conditionals

14303

Truth-functional conditionals have a simple falsification, when A is true and B is false [Peirce]

22. Metaethics / C. The Good / 1. Goodness / a. Form of the Good

22489

'Good' is an attributive adjective like 'large', not predicative like 'red' [Geach, by Foot]