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Results tagged with lean4
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user 2020
Lean 4 is the latest major version of the Lean theorem prover by Microsoft Research. Use this tag for questions specific to Lean 4; if it's about Lean in general, use the tag (lean).
8
votes
Accepted
What are the goals of Lean 4?
There are many aspects to this:
It's faster (e.g. the ~80% portion of mathlib that has been ported so far compiles between 3 and 4 times faster than it did under Lean 3.)
The metaprogramming framewor …
- 365
1
vote
Accepted
Automatic nightly Lean update?
If you would like to change to the current nightly, then you can change the contents of lean-toolchain to, e.g.
leanprover/lean4:nightly-2023-09-23
However! …
- 365
6
votes
Accepted
Aesop Tactic in Lean
SimpleGraph is a definition of a "simple graph" in the mathlib4 library. The API for SimpleGraph uses aesop to help automate some common proof steps.
I'm guessing from your question that you've notice …
- 365