to
Builds the Substitution.Unifier binding this Var to termObject (auto-toTerm-ed).
Builds the Substitution.Unifier binding the Var named by this String (via varOf) to termObject.
Builds the Substitution.Unifier binding this Var to termObject (auto-toTerm-ed).
Builds the Substitution.Unifier binding the Var named by this String (via varOf) to termObject.