cat/BACKLOG.md

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2018-02-21 13:06:09 +00:00
Backlog
=======
Prove postulates in `Cat.Wishlist`:
* `ntypeCommulative : n ≤ m → HasLevel ⟨ n ⟩₋₂ A → HasLevel ⟨ m ⟩₋₂ A`
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Prove univalence for the category of
* the opposite category
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* sets
This does not follow trivially from `Cubical.Univalence.univalence` because
objects are not `Set` but `hSet`
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* functors and natural transformations
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Prove:
* `isProp (Product ...)`
* `isProp (HasProducts ...)`
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* Functor ✓
* Applicative Functor ✗
* Lax monoidal functor ✗
* Monoidal functor ✗
* Tensorial strength ✗
* Category ✓
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* Monoidal category ✗
* Monad
* Monoidal monad ✓
* Kleisli monad ✓
* Kleisli ≃ Monoidal ✓
* Problem 2.3 in [voe]
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* 1st contruction ~ monoidal ✓
* 2nd contruction ~ klesli ✓
* 1st ≃ 2nd ✗
I've managed to set this up so I should be able to reuse the proof that
Kleisli ≃ Monoidal, but I don't know why it doesn't typecheck.