What does "existential type" mean in Swift?...

Is Haskell's type system Curry-style or Church-style?...

What does it mean for a type to distribute over unions?...

Why is "dict[int, int]" incompatible with "dict[int, int | str]"?...

What is predicativity?...

How to create a list of elements of an indexed data type, whose length depends on the index...

TypeScript recursive union function type...

What is the paradigm of wrapping generic parameters into nested structures called?...

Is allowing untagged unions equivalent to allowing type classes?...

Why can some disjoint and exhaustive patterns not be represented as definitional equalities?...

List without gaps in Coq...

In cubical type theory, why are there function types that accept intervals as arguments when there a...

Is there a library for sets that works with bool in Coq?...

What is the relationship between recursion and proof by induction?...

Why can't all existential binders be replaced by unique constants during skolemization?...

Confused about function subtyping...

Why do we need containers?...

It is possible to define a function in haskell that takes one parameter, ignores it, and returns its...

Why can't I define this rewrite rule for type elimination of proof-irrelevant disjunctions in Ag...

Non-determinism on a set defined by the characteristic function...

Agda: Failed to solve the following constraints: P x <= _X_53 (blocked on _X_53)...

How to write "twice" so it can accept "swap" without restricting their type...

What is the difference between subtyping and subsumption?...

Differences between Agda and Idris...

Why coq doesn't use subtyping for logical or?...

What exactly is a Set in Coq...

Covariant Types...

In Haskell, does mutability always have to be reflected in type system?...

What is the difference between IO a and IO (a) in Haskell?...

How to use HoTT path induction in Coq?...