Combining Texts

Ideas for 'Thinking About Mathematics', 'Intellectual Autobiography' and 'Truthmakers'

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5 ideas

5. Theory of Logic / E. Structures of Logic / 1. Logical Form

18893

Translating into quantificational idiom offers no clues as to how ordinary thinkers reason [Sommers]

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

18903

Sommers promotes the old idea that negation basically refers to terms [Sommers, by Engelbretsen]

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 / 7. Predicates in Logic

18894

Predicates form a hierarchy, from the most general, down to names at the bottom [Sommers]