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Why does the CwF definition require a set of types under a context rather than a class of types?

There is nothing special about types with respect to sizing, compared to what we already have in ordinary categories. A small category has a set of objects, and for each pair of objects, a set of ...
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1 vote

What is the definition of a redex and what are they for in programming languages literature?

A redex is an expressions on which we can perform a computation step, such as: fst (a, b) is a redex, it computes to a ...
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