at.logic.gapt.cutintro
Thrown if Extended Herbrand Sequent is unprovable. In theory this does not happen. In practice it does happen if the method used for searching a proof covers a too weak theory (e.g. no equality) or is not complete.
(Since version 2.11.0) Use Throwable#getStackTrace
Thrown if Extended Herbrand Sequent is unprovable. In theory this does not happen. In practice it does happen if the method used for searching a proof covers a too weak theory (e.g. no equality) or is not complete.