👉 In mathematics, an "errancy" is a specific type of function that is defined for all real numbers. It can be thought of as a special kind of limit, where the value of a function approaches zero as one or more values approach infinity. In mathematical logic, an "errancy" is often used to represent a situation in which two propositions are logically equivalent but have different truth-values under certain conditions. In this context, the proposition that the sum of two numbers is less than or equal