一、问题的提出案例一:蒋某与丈夫叶某结婚后,一直居住在婆婆所有的产权房内。1998年,叶某离家出走,蒋某起诉离婚获准,法院判决儿子随蒋某生活,因叶某下落不明,住房未作处理。2002年,婆婆以房屋所有人的身份起诉要求蒋某迁让,法院经审理认为蒋某因结婚入住系 First, the problem raised Case one: Jiangmou and her husband Yemou married, has been living in her mother-in-law all the property room. In 1998, Yemou ran away from home, Jiangmou sued for divorce, the court ruled that his son lived with Jiangmou, Yemou whereabouts unknown, housing not dealt with. In 2002, her mother-in-law as the owner of the property sued for Jiangmou transfer, the court heard Jiangmou because of marriage admitted to the Department