A trustworthy, industrial-strength interactive theorem prover and dependently-typed programming language for mechanised reasoning in mathematics, computer science and more.



Lean Programming Language is described as 'Lean is an open-source programming language and proof assistant that enables correct, maintainable, and formally verified code' and is a programming language in the development category. There are three alternatives to Lean Programming Language for Mac, Windows and Linux. The best Lean Programming Language alternative is Rocq Prover, which is both free and Open Source. Other great apps like Lean Programming Language are Isabelle and Agda.
A trustworthy, industrial-strength interactive theorem prover and dependently-typed programming language for mechanised reasoning in mathematics, computer science and more.




Agda is a dependently typed functional programming language. It has inductive families, i.e., data types which depend on values, such as the type of vectors of a given length. It also has parametrised modules, mixfix operators, Unicode characters, and an interactive Emacs...