An expression occurring in existential sentences. "For some " is the same as "." Unlike in everyday language, it is does not necessarily refer to a plurality of elements, and so might be more clearly represented in colloquial English as "for at least one."
For Some
See also
Existential Quantifier, For AllThis entry contributed by Margherita Barile
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References
Tarski, A. Introduction to Logic. New York: Oxford University Press, p. 8, 1965.Referenced on Wolfram|Alpha
For SomeCite this as:
Barile, Margherita. "For Some." From MathWorld--A Wolfram Web Resource, created by Eric W. Weisstein. https://mathworld.wolfram.com/ForSome.html