We argue that the semantical program that thus arises offers the first complete semantic unification of the family of classical first order modal logics. Studia Logica publishes original papers on ...

Many have called the Logic Theorist the first AI program, though that description was debated then—and still is today.

Additionally, higher‐order logic, with its capability to treat functions and predicates as first‐class citizens, significantly expands the expressiveness of formal verification systems.