Definition of prosyllogism in US English:

prosyllogism

noun

Logic
  • A syllogism the conclusion of which forms the major or minor premise of another syllogism.

Origin

Late 16th century. From post-classical Latin prosyllogismus syllogism the conclusion of which forms the major or minor premiss of another syllogism from ancient Greek προσυλλογισμός from προ- + συλλογισμός.

Pronunciation

prosyllogism

/prəʊˈsɪləˌdʒɪz(ə)m/