👉 In mathematics, "indefeasibility" refers to a property or characteristic of an object that cannot be changed once established. This can include properties such as being a continuous function (such as in calculus), being invertible (a function with another function as its inverse), or having certain mathematical operations remain constant when the input is varied. For example, if we have a function \(f(x) = x^2 - 3x + 4\), it's clear that there are