👉 Necessarity is a concept in philosophy, particularly in the domain of epistemology and epistemological disputes. It refers to the necessity or requirement for something to exist or be true. In this context, "necessariness" might refer to a situation where a person or an entity is required to perform certain actions, such as donating blood or volunteering at a local charity. This necessariness can be seen as a moral imperative that requires action in order to fulfill a duty or obligation