("Universal algebra (sometimes called general algebra) is the field of mathematics
that studies algebraic_structures themselves,
not examples ("models") of algebraic structures.
For instance, rather than take particular groups as the object of study,
in universal algebra one takes the class of groups as an object of study."
//예를 들어 study의 대상으로 특정한 군,group을 다루기보다는, group_class =,group_class . group_class { class of groups https://en.wikipedia.org/wiki/Class_of_groups } 를 다룬다.
2023-12-10, TOC전까지)

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