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atomic formula

logic

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contribution by Cannizzaro

In Stanislao Cannizzaro: A single system of atomic formulas
In his 1858 pamphlet, Cannizzaro showed that a complete return to the ideas of Avogadro could be used to construct a consistent and robust theoretical structure that fit nearly all of the available empirical evidence. The few remaining anomalies, he argued, could easily…
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predicate calculus

In formal logic: The predicate calculus
…wff is known as an atomic formula, and the predicate variable in it is said to be of degree n, if n is the number of individual variables following it. The degree of a predicate variable is sometimes indicated by a superscript—e.g., ϕxyz may be written as ϕ³xyz; ϕ³xy would…
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