fact: Definition pointwise_precompact {I} (W : set I) (d : I -> X -> Y) := forall x, precompact [set d i x | i in W].
imports: HB(structures) mathcomp(all_ssreflect all_algebra finmap generic_quotient) mathcomp(boolp classical_sets functions) mathcomp(cardinality mathcomp_extra fsbigop) reals signed