U+2A66 "⩦" Equals Sign with Dot Below Unicode Character

U+2A66 "⩦" Equals Sign with Dot Below is a mathematical operator used primarily in formal logic and notation systems to represent a specific type of equality or equivalence, often indicating that two expressions are equal under a particular condition or with an additional qualification, such as in the context of equational reasoning or specialized algebraic structures. It visually distinguishes itself from the standard equals sign by featuring a single dot placed beneath the horizontal bars, which serves to alert readers to the modified or restricted nature of the equality relation. This character is part of the Supplemental Mathematical Operators block, designed to provide precise typographic tools for advanced mathematical and technical writing where nuanced relational symbols are required.