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20 TechQA 2024-03-19T02:36:32.463000Termination for Wrapped `Fin n` in Lean4
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Asked by redjamjar
I need help to finish a proof in Lean 4, Well Ordering Principle implies Axiom of Choice
53 views
Asked by Santiago Mourenza Rivero
Lean4: calculate simple equation
144 views
Asked by Oliver Smith
In Lean is there automatic detection of nearly identical definitions?
63 views
Asked by Archie
How to change current working directory in Lean 4?
64 views
Asked by Tony Beta Lambda
How to rewrite the List which I am indexing with pattern matching
60 views
Asked by davik
Rearranging Lemmas in Lean programming
36 views
Asked by AlvinK
Proving a pair isn't in a relation?
118 views
Asked by Boba Tea
Proving that set A ≠ (Aᶜ)
173 views
Asked by DBE
Prove by matching specific natural numbers in Lean
142 views
Asked by DBE
Leverage theorem in the reals for the natural numbers
106 views
Asked by DBE
Finding an operation that satisfies a specific requirement in "lean"
125 views
Asked by ANQI LIU
Does the type Prop get special treatment by Lean?
146 views
Asked by Mrk Sef
How do I force an instance of a typeclass to be used in lean4?
134 views
Asked by Paprika
Mathlib keeps rebuilding even after I `lake exe cache get`
379 views
Asked by Evgenia Karunus
Non-zero Nat is Greater than Zero
56 views
Asked by redjamjar
Reducing Array Initialisers
50 views
Asked by redjamjar
how to unfold a let expression inside a theorem?
131 views
Asked by sortai
lean4 prove that the set of prime numbers has at least two distinct elements
173 views
Asked by pop123_123
how to install mathlib in my lake4 toolchain?
437 views
Asked by sortai