The excuse for stopping the announcement of bigamy invalidation is the valid termination of the ex-marriage,which should include the death of the spouse as well as divorce and the announced invalidation and repealing of the.

The thesis discusses the general principle of impediment of illegality in executing military order;it analyzes that impediment of illegality in executing military order is the inherent requirment of the essence and objective of the crime and punishment; and it points out that impediment of illegality in executing military order does not prevent the realization of it.

The nature of fair use in the copyright law ——exemption of tort;