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Verb: syllogise  'si-lu,jIz
Usage: Brit (N. Amer: syllogize)
  1. Reason by syllogisms
    "All who attempt to syllogise from things less credible than the conclusion, manifestly do not syllogize rightly";
    - syllogize

Derived forms: syllogised, syllogising, syllogises

Type of: conclude, reason, reason out