Combining Texts

Ideas for 'The Problem of the Soul', 'Probability and Logic of Rational Belief' and 'Intellectual Autobiography'

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5 ideas

5. Theory of Logic / D. Assumptions for Logic / 4. Identity in Logic

18897

Predicate logic has to spell out that its identity relation '=' is an equivalent relation [Sommers]

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 / c. not

18903

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

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]

5. Theory of Logic / L. Paradox / 4. Paradoxes in Logic / e. The Lottery paradox

6368	If my ticket won't win the lottery (and it won't), no other tickets will either [Kyburg, by Pollock/Cruz]