Are the three unities observed in Oedipus?

As other commenters
have explained, the three unities described by Aristotle are the Unity of
Time (events should take place within a one-day period), the Unity
of Place (events should occur in one locale, not many), and the
Unity of Action (the drama should focus on one main plot only,
without any focus on subplots pertaining to other ).  

adheres to Aristotle's Unity of Time because the events of the play
occur within the space of one day. In other words,is approached by thesometime in the morning,
and by evening he has been exiled from Thebes. In fact, events really seem to occur as if in
"real time" on stage, though some actions do take place off-stage (e.g. 's
suicide) and are reported by a .

The play adheres to the Unity
of Place because everything happens on the palace steps. When Oedipus wishes to
speak with someone who is not...