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Tagged with inductive-type universe
3
questions
6
votes
1
answer
254
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Parameterized Datatypes in a Universe à la Tarski?
I'm wondering, is there a way to make a Universe à la Tarski that models all of the types in an open type theory, where there can be user defined parameterized inductive types?
For context, I'm trying ...
1
vote
0
answers
70
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Heterogeneous lists, large indices
Recently I had cause to define a type of heterogeneous lists in Lean, and wrote
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1
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0
answers
180
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Descriptions of heterogenous datatypes
When attempting to describe the datatype as appearing in my previous question, using indexed descriptions in style of The Gentle Art of Levitation to describe this datatype (using Agda for examples):
<...