Combining Philosophers

Ideas for Rescher,N/Oppenheim,P, Julien Offray de La Mettrie and Ian Hacking

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2 ideas

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

13837

With a pure notion of truth and consequence, the meanings of connectives are fixed syntactically [Hacking]

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

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Perhaps variables could be dispensed with, by arrows joining places in the scope of quantifiers [Hacking]