vdm
VDM (Vienna Development Method) is a formal software development methodology that uses mathematical specifications to model and verify system behavior. It provides a set of languages (VDM‑SL, VDM‑PP) and tool support for writing precise, unambiguous specifications, refining them step‑by‑step, and proving that implementations satisfy the original requirements. VDM is widely used in safety‑critical and high‑integrity domains such as aerospace, rail, and telecommunications. Views Nigeria