👉 In the context of mathematical logic, a "circensian" is an object that can be expressed as the sum of two non-empty sets. For example, the set of all integers greater than 1 and less than or equal to 5 (with their natural numbers) is represented by the set {2, 3}. This set can also be written as a sum of two other sets: the set of even integers (those that are divisible by 2) and the set of odd