Whereas the fact may have been as the Cephallenians say...
Whereas the fact may have been as the Cephallenians say, that the wife of Ulysses was of a Cephallenian family, and that her father's name was Icadius, not Icarius. So that it is probably a mistake of the critics that has given rise to the Problem. Speaking generally, one has to justify (1) the Impossible by reference to the requirements of poetry, or to the better, or to opinion.
For the purposes of poetry a convincing impossibility is preferable to an unconvincing possibility; and if men such as Zeuxis depicted be impossible, the answer is that it is better they should be like that, as the artist ought to improve on his model. (2) The Improbable one has to justify either by showing it to be in accordance with opinion, or by urging that at times it is not improbable; for there is a probability of things happening also against probability.
(3) The contradictions found in the poet's language one should first test as one does an opponent's confutation in a dialectical argument, so as to see whether he means the same thing, in the same relation, and in the same sense, before admitting that he has contradicted either something he has said himself or what a man of sound sense assumes as true.
But there is no possible apology for improbability of Plot or depravity of character, when they are not necessary and no use is made of them, like the improbability in the appearance of Aegeus in _Medea_ and the baseness of Menelaus in _Orestes_. The objections, then, of critics start with faults of five kinds: the allegation is always that something i.e.ther (1) impossible, (2) improbable, (3) corrupting, (4) contradictory, or (5) against technical correctness.
The answers to these objections must be sought under one or other of the above-mentioned heads, which are twelve in number. The question may be raised whether the epic or the tragic is the higher form of imitation. It may be argued that, if the less vulgar is the higher, and the less vulgar is always that which addresses the better public, an art addressing any and every one is of a very vulgar order.
It is a belief that their public cannot see the meaning, unless they add something themselves, that causes the perpetual movements of the performers--bad flute-players, for instance, rolling about, if quoit-throwing is to be represented, and pulling at the conductor, if Scylla is the subject of the piece.