👉 In mathematics, "unetched" is a term used to describe a set of numbers that are not yet fully represented or laid out in any way. This could be because they may have been previously defined but were later forgotten or discarded. For example, if you were to define the set of natural numbers as {1, 2, 3, ...}, and then later on add an element such as 4, it would not be possible for this new element to be part of the original
