Combining Philosophers

Ideas for Rescher,N/Oppenheim,P, Stephen Read and David Hilbert

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2 ideas

4. Formal Logic / E. Nonclassical Logics / 4. Fuzzy Logic

11018

There are fuzzy predicates (and sets), and fuzzy quantifiers and modifiers [Read]

4. Formal Logic / E. Nonclassical Logics / 6. Free Logic

11011

Same say there are positive, negative and neuter free logics [Read]