Combining Philosophers

Ideas for Marcel Proust, G. Aldo Antonelli and Fraser MacBride

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4 ideas

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

18489

Connectives link sentences without linking their meanings [MacBride]

5. Theory of Logic / E. Structures of Logic / 2. Logical Connectives / c. not

18476

'A is F' may not be positive ('is dead'), and 'A is not-F' may not be negative ('is not blind') [MacBride]

5. Theory of Logic / K. Features of Logics / 10. Monotonicity

19110

In classical logic the relation |= has Monotony built into its definition [Antonelli]

19112

Cautious Monotony ignores proved additions; Rational Monotony fails if the addition's negation is proved [Antonelli]