選せん言げん

noun

disjunction

A logical term referring to the OR operation; often contrasted with 連言 (conjunction). Used in formal logic and mathematics.

See also: 連言

• 論ろん理り学がくでは、「AまたはB」を選せん言げんと呼よぶ。

  In logic, 'A or B' is called a disjunction.