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Use this tag for questions about type theories, which are formal systems to specify properties of objects.
6
votes
How to represent mathematical partial functions in a type-theory based proof assistant?
I have written an entire blogpost on this topic, outlining a variety of solutions: https://lawrencecpaulson.github.io/2021/12/01/Undefined.html
12
votes
What are the differences between MLTT and CIC?
The technical answers are correct, but they completely overlook the philosophical differences between the two formalisms. Martin-Löf type theory closely reflects Arendt Heyting's explanations of the l …