prosyllogism

[proh-sil-uh-jiz-uh m]
noun Logic.
  1. a syllogism the conclusion of which is used as a premise of another syllogism; any of the syllogisms included in a polysyllogism except the last.
Compare episyllogism.

Origin of prosyllogism

1575–85; < Medieval Latin prosyllogismus < Greek prosyllogismós. See pro-2, syllogism
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