1. Significant symbols always imply a context within which it has significance, a universe of discourse . 2. By domain is meant the universe of discourse of a model for the semantic theory of a logic. 3. A fancy name for " everything in the entire system " is a " universe of discourse ". 4. It is conventional to call this reality the " universe of discourse " or " domain of discourse ". 5. The collection of pertinent individuals is usually called the universe of discourse , an expression coined by Boole in 1854. 6. In a logical setting, one can use model theoretic semantics to interpret Euler diagrams, within a universe of discourse . 7. Moreover, the collection of pertinent conditions is automatically limited to those coherently applicable to individuals in the universe of discourse . 8. The data modeling technique can be used to describe any universe of discourse i . e . area of interest. 9. K swiftly switched channels and landed right in the middle of a parallel discussion in the same universe of discourse . 10. Each is a particular view on the " universe of discourse " of resources and relationships : there are many valid views.