fact: Definition mrestr d (T : measurableType d) (R : realFieldType) (D : set T) (f : set T -> \bar R) (mD : measurable D) := fun X => f (X `&` D).
imports: mathcomp(all_ssreflect all_algebra finmap) mathcomp(mathcomp_extra boolp classical_sets functions) mathcomp(cardinality fsbigop ) reals ereal signed topology normedtype sequences esum numfun HB(structures)