The unfinished trilogy of the Timaeus, Critias, and Hermocrates professes to be a continuation of the Republic (cp. Tim. Ad but may have been added long afterwards (cp. The parallel relation of the Sophist and Statesman to the Theaetetus, which last would seem, from a comparison of the style, to have been written at an earlier time). The Republic contains no hint of the more comprehensive scheme. In the Timaeus Socrates is represented as having on the previous day set forth the principles of his ideal commonwealth to a select company, consisting of Timaeus, Critias, Hermocrates, and a fourth person, whose name is not mentioned.