U+2226 "∦" Not Parallel To Unicode Character

U+2226 "∦" Not Parallel To is a mathematical symbol used to denote that two lines, planes, or geometric objects are not parallel to each other in Euclidean geometry. It visually resembles the parallel symbol "∥" with a single forward slash or diagonal line crossing through both vertical bars, indicating negation. This character is part of the Mathematical Operators Unicode block and is commonly employed in geometry proofs, vector analysis, and algebraic contexts to explicitly state a lack of parallelism between two entities.