... interpretation of that operator in accordance with the rules of ordinary Boolean logic. On the other hand, the smaller the p-value, the more relaxed is the interpretation of the or-operator. The ... operational information situations, the term broadening and narrowing operations are effectively carried out by using formulations in which the terms are connected by Boolean operators. The ... requests by using Boolean formulas that include the operators and, or, and no~. Of particular interest in a linguistic context are the and and or opera- tors: a) b) The and- operator is a...