| Subject | German | English |
| scient. | Boolesche Algebra mit beschränkten Variablen | Boolean algebra with restrictions on variables |
| comp. | Boolesche Variable | logical variable (Schaltvariable) |
| comp. | Boolesche Variable | Boolean variable (Schaltvariable) |
| progr. | boolesche Variable | boolean variable (ssn) |
| comp. | Boolesche Variable | logic variable (Schaltvariable) |
| comp. | Boolesche Variable | binary variable |