%use
From The Twelf Project
A %use directive adds a constraint domain to the current Twelf signature.
Like some other directives, for instance %clause, it is incompatible with Twelf's ability to verify totality assertions and metatheorems.
A %use directive adds a constraint domain to the current Twelf signature.
Like some other directives, for instance %clause, it is incompatible with Twelf's ability to verify totality assertions and metatheorems.