U+228F • image
Square image of (âŠ) is a symbol used in mathematical logic and set theory to denote the image of a set under a function or relation, often emphasizing a particular structural or square property. It distinguishes this image operation from other image notations.
The Symbol For Square Image Of (âŠ) is a unicode character in the Basic Multilingual Plane Plane. It is found in the Mathematical Operators block and was approved as part of Unicode Version 1.1 in 1993
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