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Results tagged with lean4
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user 1305
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).
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How do I convince the Lean 4 type checker that addition is commutative?
In order to get acquainted with Lean and programming with dependent types I am trying to implement basic operations for a Vector datatype defined following the example in TPiL as:
inductive Vector (α …
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