👉 In mathematics, "henceforth" is a common phrase used to indicate that something will continue in the future or that a previous statement continues. It is often used as a way of indicating that one has already completed a task and is continuing on with it. For example: - If you say: "I have finished my homework," then "henceforth" would be used to indicate that you are still working on your homework. - If you say: "I will go to the store