Element

Placeholder

Children:

  • Identity element

    An el­e­ment in a set with a bi­nary op­er­a­tion that leaves ev­ery el­e­ment un­changed when used as the other operand.

Parents:

  • Mathematics

    Math­e­mat­ics is the study of num­bers and other ideal ob­jects that can be de­scribed by ax­ioms.