ThmDex – An index of mathematical definitions, results, and conjectures.
Result R4508 on D5608: Euclidean complex function
Two real numbers equal iff difference equals zero
Formulation 0
Let $x, y \in \mathbb{R}$ each be a D993: Real number.
Then \begin{equation} x = y \quad \iff \quad x - y = 0 \end{equation}