Equivalence Relation
- Equivalence Relation #Card
- A relation $\approx$ on $X$ that is reflexive, symmetric, and transitive. - Written as $x \approx y \iff y \in Ex$ (where $E$ is the equivalence relation).
A relation $\approx$ on $X$ that is reflexive, symmetric, and transitive.
- Written as $x \approx y \iff y \in Ex$ (where $E$ is the equivalence relation).
Setoid X(Equivalence を束ねた構造)