<Ol> <Li> The previous work must be restated to lay the groundwork for a new contribution in the second work . </Li> <Li> Portions of the previous work must be repeated to deal with new evidence or arguments . </Li> <Li> The audience for each work is so different that publishing the same work in different places is necessary to get the message out . </Li> <Li> The author thinks they said it so well the first time that it makes no sense to say it differently a second time . </Li> </Ol> <Li> The previous work must be restated to lay the groundwork for a new contribution in the second work . </Li> <Li> Portions of the previous work must be repeated to deal with new evidence or arguments . </Li> <Li> The audience for each work is so different that publishing the same work in different places is necessary to get the message out . </Li>

Plagiarism is the act of using others' ideas without proper documentation