SFirlSay
SFirlSay is a programming language developed by researchers at the University of California, Berkeley. It is designed for symbolic reasoning and theorem proving, particularly in the domain of formal verification. The language's syntax is inspired by Lisp and Prolog, incorporating features for pattern matching, recursion, and logical inference. SFirlSay aims to provide a flexible and expressive environment for developing and verifying complex logical systems. Its primary applications include formal methods in software and hardware design, artificial intelligence research, and mathematical logic. The language supports a rich type system and allows for the definition of complex data structures and functions. SFirlSay's inference engine is built upon a combination of resolution and tableau methods, enabling it to tackle challenging deduction problems. The project's development is ongoing, with a focus on improving performance, expanding the library of predefined theories, and enhancing the user interface for interactive theorem proving. Researchers associated with the SFirlSay project have published numerous papers detailing its theoretical underpinnings and practical applications in various formal verification scenarios. The language is available as open-source software, encouraging community contributions and further development.