bocardo

Bo*car"do, n. Etym: [A mnemonic word.] 1. (Logic) Defn: A form of syllogism of which the first and third propositions are particular negatives, and the middle term a universal affirmative. Baroko and Bocardo have been stumbling blocks to the logicians. Bowen. 2. A prison; -- originally the name of the old north gate in Oxford, which was used as a prison. [Eng.] Latimer.

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