👉 The term "non-identical" is used in the context of mathematics and logic to describe two objects or events that are not exactly alike. It refers to a situation where one object does not have all the characteristics or properties of another, even though they may seem similar at first glance. For example, consider the following scenario: Alice has a pen with a blue ink color but also has a red pen in her hand. This means that both pens are different from each other; they have distinct