What's the difference between epitasis and protasis?

Epitasis

Definition:

• (n.) That part which embraces the main action of a play, poem, and the like, and leads on to the catastrophe; -- opposed to protasis.
• (n.) The period of violence in a fever or disease; paroxysm.

Example Sentences:

Protasis

Definition:

• (n.) A proposition; a maxim.
• (n.) The introductory or subordinate member of a sentence, generally of a conditional sentence; -- opposed to apodosis. See Apodosis.
• (n.) The first part of a drama, of a poem, or the like; the introduction; opposed to epitasis.

Example Sentences: