Tartuffe, or The Impostor, or The Hypocrite, was written by Molière in 1664, at a time when the Académie française was actively involved in regulating French language, grammar, and literature, including French drama.
The standards that the Académie imposed on French drama were derived from the writings of the French neoclassicists, who based their principles of drama on the plays of Aeschylus, Sophocles, Euripides, and other ancient Greek playwrights from the 5th century BCE, and on Aristotle's Poetics, written around 355 BCE.
The French neoclassicists interpreted Poetics as Aristotle's rules for Greek drama, rather than simply Aristotle's observations and analysis of plays that were written a hundred years before Aristotle wrote Poetics.
The Académie decreed that French plays must conform to the "three unities" of action (a single, unified plot, and no subplots), of time (the action of the play must occur within a single day), and of place (that the play occurs in a single location).
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