What are the types of necessity?

An analysis is provided of different kinds of necessity: logical necessity (or analyticity), a posterior necessity, the necessity of the past, causal ultimacy, everlasting existence, and physical necessity.

What is the difference between logical necessity and physical necessity?

Nomological necessity is necessity according to the laws of physics and logical necessity is necessity according to the laws of logic, while metaphysical necessities are necessary in the sense that the world could not possibly have been otherwise.

What is natural necessity in philosophy?

“Natural necessity” is a name I’m giving to a very general topic of metaphysics that concerns the nature of laws, causation, dispositions, counterfactuals, etc. I’m calling it “natural necessity” since it involves a kind of necessity that is supplied by “nature” rather than…

What is necessity in the philosophical sense?

necessity, in logic and metaphysics, a modal property of a true proposition whereby it is not possible for the proposition to be false and of a false proposition whereby it is not possible for the proposition to be true.

What is a physical necessity?

Definition & Citations:

the term that is given to the situation where a person is forced into taking a certain course of action.

What is a absolute necessity?

Absolute necessity might be defined as truth at absolutely all possible worlds without restriction. But we should be able to explain it without invoking possible worlds.

What is hypothetical necessity?

A hypothetical necessity, as Aristotle intends the term, is something necessary if some goal is to be attained.

What is causal necessity?

One notion, causal necessity, is in the spirit of Hume’s second definition. Necessity deals with causal relationships in which the object or event distinguished as a cause is taken to render its effect possible; thus, it is closely connected to Lewis’s influential analysis of cause as counterfactual necessity.

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