Combining Texts

Ideas for 'works', 'Logic for Philosophy' and 'Truthmakers'

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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 / E. Structures of Logic / 4. Variables in Logic

13696

When a variable is 'free' of the quantifier, the result seems incapable of truth or falsity [Sider]

5. Theory of Logic / E. Structures of Logic / 5. Functions in Logic

13700

A 'total' function must always produce an output for a given domain [Sider]