import PhysicsLogicConsumer.FrequencyReference open PhysicsLogic.Philosophy.Measurement open PhysicsLogicConsumer.FrequencyReference example : frequencyRecords = (RecordAccessContext.mk (fun p : Real × Real => 0 < p.1 ∧ 0 < p.2) (fun (access : Bool) (p : Real × Real) => if access then (p.1 / p.2, p.2) else (p.1 / p.2, 0)) Prod.fst) := rfl example (error : Real) : boundedReferenceRecords error = (RecordAccessContext.mk (fun p : Real × Real => (0 < p.1 ∧ 0 < p.2) ∧ |p.2 - 1| ≤ error) (fun (access : Bool) (p : Real × Real) => if access then (p.1 / p.2, p.2) else (p.1 / p.2, 0)) Prod.fst) := rfl