Another possibility is that the Heroic Polonaise is closely related to the Polonaise in A major, Op.40, No.1, known as the "Military Polonaise", which, unlike the Heroic, is a true polonaise.
Another possibility is that the Heroic Polonaise is closely related to the Polonaise in A major, Op.40, No.1, known as the "Military Polonaise". The introduction section of the Heroic is obviously inspired by the Military, which, unlike the Heroic, was a true polonaise.