U+2949 "⥉" Upwards Two-Headed Arrow from Small Circle Unicode Character

U+2949 "⥉" Upwards Two-Headed Arrow from Small Circle is a typographical symbol classified under the Supplemental Arrows-B block, representing an arrow pointing upward with two heads emerging from a small circle at its base. This character is primarily used in mathematical notation and formal logic to denote a specific type of relation or mapping, often indicating a bidirectional upward movement or a functional connection that originates from a defined point. Its design combines the circular starting point with the double arrowhead to convey a sense of both origin and direction, making it useful in diagrams, proofs, or technical documents where precise symbolic communication is required.