Combining Philosophers
Ideas for H.Putnam/P.Oppenheim, David Bostock and Jean-Jacques Rousseau
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2 ideas
4. Formal Logic / E. Nonclassical Logics / 2. Intuitionist Logic
18122
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Classical interdefinitions of logical constants and quantifiers is impossible in intuitionism [Bostock]
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4. Formal Logic / E. Nonclassical Logics / 6. Free Logic
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A 'free' logic can have empty names, and a 'universally free' logic can have empty domains [Bostock]
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