Mathlib keeps rebuilding even after I `lake exe cache get` Understanding the Persistent Rebuilding Issue with Mathlib Problem Scenario You may have encountered a frustrating issue while working with Mathlib in Lean Desp 2 min read 20-10-2024 21
Mathlib4 Calc versus Batteries Calc? Mathlib4 Calc vs Batteries Calc Understanding the Differences When exploring the world of mathematics libraries in programming two names often come to the foref 2 min read 14-10-2024 21
Unknown identifier 'begin' in Lean4 Unknown identifier begin in Lean4 A Common Beginners Pitfall When starting out with Lean4 you might encounter the error Unknown identifier begin This error ofte less than a minute read 29-09-2024 23