Symbols:Arithmetic and Algebra/Approximation/Variant
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Set Difference
- $\cong$
A variant notation for the indication that $b$ is an approximation to $a$ is:
- $a \cong b$
The $\LaTeX$ code for \(a \cong b\) is a \cong b .
Also see
Sources
- 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): Appendix: Table $7$: Common signs and symbols: approximation