- Lean theorem prover
A lean theorem prover is an automated theorem prover implemented in a minimum amount of code. Lean provers are generallyfact|date=December 2007 implemented in
Prolog , and make proficient use of thebacktracking engine and logic variables of that language. Lean provers can be as small as a few hundred bytes ofsource code .Lean theorem provers
* [http://www.leancop.de/ leanCoP] , a prover for classical first-order logic in 333
byte s
* [http://i12www.ira.uka.de/leantap/ leanTAP]
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