would seem to be an infinite logical conjunction because of the repeated use of "and". However, the "etc." cannot be interpreted as a conjunction in formal logic, Instead, the statement must be rephrased:

For all natural numbers n, one has 2·n = n + n.

This is a single statement using universal quantification.

This statement can be said to be more precise than the original one. While the "etc." informally includes natural numbers,

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