In the first part of the paper the basic definition and operations defined on IF-sets are recalled. In the second part the IF functions, their properties like continuity and boundaries are studied. In the third part there are proved some properties of bounded IF-sets.
Operational Program Digital Poland, 2014-2020, Measure 2.3: Digital accessibility and usefulness of public sector information; funds from the European Regional Development Fund and national co-financing from the state budget.
Oct 15, 2021
Jul 19, 2021