Definition:Identity (Equation)/Symbol

Identity: Symbol

The symbol $\equiv$ can be used to distinguish an identity from a conditional equation, but frequently (and usually on $\mathsf{Pr} \infty \mathsf{fWiki}$) the equals sign $=$ is used instead.

Also see

• Results about identities in the context of equations can be found here.

Sources

• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): equation
• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): identity
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): equation
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): identity