![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
Consider the following argument: BORIS: Whenever a collection of fish gather together, they make a school. A school is an institution devoted to teaching students. So whenever a collection of fish are gathered together, they make an institution that is devoted to the teaching of students In this argument, Boris is doing which of the following?