Then for each occurrence of the pronoun he , we would have to write Samuel Henry, junior. Here pronouns are convenient. The use of pronouns lessens the amount of writing which we have to do and simplifies our communication. Now when we speak of two or more people, we need to say clearly to whom the pronouns he, she or they refer. We cannot repeatedly use the word it when we have more than one object to speak about.
Pronouns can make speaking and writing easier.
But each pronoun must be clearly identified. We have to know to what each refers. When misused, pronouns lead to confusion. 1.2 Pronouns in Mathematics In speaking and writing, we use pronouns. In mathematics, we use shorthand notation.