std::relation Concept Reference

`#include <concepts>`

## Concept definition

template<typename _Rel, typename _Tp, typename _Up>
concept std::relation = predicate<_Rel, _Tp, _Tp> && predicate<_Rel, _Up, _Up>
&& predicate<_Rel, _Tp, _Up> && predicate<_Rel, _Up, _Tp>
std::predicate
[concept.predicate], concept predicate
Definition concepts:360
std::relation
[concept.relation], concept relation
Definition concepts:366

## Detailed Description

[concept.relation], concept relation

Definition at line 365 of file concepts.