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FilledSmallSquareIntegers represents the domain of integers, as in x Integers.

FilledSmallSquarex Integers evaluates immediately only if x is a numeric quantity.

FilledSmallSquareSimplify[expr Integers] can be used to try to determine whether an expression is an integer.

FilledSmallSquareIntegerQ[expr] tests only whether expr is manifestly an integer (i.e., has head Integer).

FilledSmallSquareIntegers is output in TraditionalForm as .

FilledSmallSquare See The Mathematica Book: Section 1.4.6 and Section 3.3.10.

FilledSmallSquare See also: Element, Simplify, IntegerQ, Reals, Primes, Algebraics.

Further Examples