Atomic formula

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Notion

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Science and technology

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What Wikipedia says

In mathematical logic, an atomic formula (also known as an atom or a prime formula) is a formula with no deeper propositional structure, that is, a formula that contains no logical connectives or equivalently a formula that has no strict subformulas. Atoms are thus the simplest well-formed formulas of the logic.

Excerpt from the Wikipedia article “Atomic formula”, under the CC BY-SA 4.0 license. Read the article on Wikipedia