noun 1. (def 10a). noun 1. another name for disjunction (sense 3)
noun 1. .
- Logical truth
noun 1. another term for tautology (sense 2) 2. the property of being logically tautologous
- Logical unit
networking (LU) A primary component of SNA, an LU is a type of NAU that enables end users to communicate with each other and gain access to SNA network resources. (1997-04-30)