命题符号化及其逻辑代数推演 We know that Bill,Jim and Sam are from Boston,Chicago and Detroit,respectively.Each of following sentence is half right and half wrong: Bill is from Boston,and Jim is from Chicago. Sam is from Boston,and Bill is from Chicago. Jim is from Boston,and Bill is from Detroit. Tell the truth about their home town.命题符号化及其逻辑代数推演 We know that Bill, Jim and Sam are from Boston, Chicago and Detroit, respectively. Each of following sentence is half right and half wrong: Bill is from Boston, and Jim is from Chicago. Sam is from Boston, and Bill is from Chicago. Jim is from Boston, and Bill is from Detroit. Tell the truth about their home town