Commonitory

The Commonitory is a book by Vincent of Lérins which seeks to affirm authentic Christian teaching. Vincentius's object in the Commonitory is to provide himself, as he states, with a general rule whereby to distinguish Catholic truth from heresy; and he commits what he has learnt, he adds, to writing, that he may have it by him for reference as a Commonitory, or Remembrancer, to refresh his memory.