Robuta

https://www.boost.org/doc/libs/1_38_0/doc/html/lambda/extending.html
return typededuction systemextending
https://www.sri.com/publication/artificial-intelligence-pubs/a-production-system-for-automatic-deduction/
The system combines developments in AI and Automatic Theorem Proving research including the use of domain-specific inference rules and separate mechanisms for...
production systemautomaticdeductionsri
https://www.boost.org/doc/libs/1_65_0/doc/html/lambda/extending.html
return typededuction systemextending