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### Description
I would have expected lean4 vscode extension to let me autocomplete existing theorem names and imports, but this is not the case - vscode falls back to its default word-level autoco…
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Following this [topic](https://coq.zulipchat.com/#narrow/stream/237662-VsCoq-devs-.26-users/topic/Light.20green.20highlighting.20gone.3F).
We would like to add a spinner or another UI element to in…
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Currently if you click on `visit` on these lines:
https://github.com/leanprover/lean4/blob/9e69259f83432371fdcf3af7ba6f504462e7bff1/src/Lean/MetavarContext.lean#L986-L990
go to definition will take …
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```lean
structure Bla : Type
class Foo (x : Bla) (y : Int) : Prop
opaque Bla.bla (x : Bla) (y : Int) [foo : Foo x y] : Nat
variable (x : Bla) (y : Int) (f : β → β)
#check x.bla y (foo := ⟨⟩) --…
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This is a single issue for new features or feature requests for `to_additive`, that I'll try to keep up-to-date. Feel free to comment with other suggestions
* [x] Reorder arguments using an arbitrary…
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### Prerequisites
* [x] Put an X between the brackets on this line if you have done all of the following:
* Checked that your issue isn't already [filed](https://github.com/leanprover/lean4/is…
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Hi, alloy sounds nice!
I wonder, how does one link a library -- in particular, with gcc for example, I would add the flag `-lsqlite3` to link the library and make its symbols available. How would I…
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I started reading through [the Lean 4 documentation](https://leanprover.github.io/lean4/doc/whatIsLean.html). [`funabst.md` contains the example](https://github.com/leanprover/lean4/blame/b6905f66d609…
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**Describe the bug**
After https://github.com/NixOS/nixpkgs/pull/102251, a new `-frandom-seed` C compiler flag is inserted with a value that changes whenever the derivation hash has changed. This wil…
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Hello, i am idris2 programmer ( considering moving to lean 4 ) that wonders whether "Practical generic programming over a universe of native datatypes" can be applied to either of those languages.
…