additive_identity Copy: additive_identity has NO comma Hide Show Like "additive_identity" These pages share a similar word... 개체무결성제약조건entity_integrity_constraint 덧셈,addition 항등원,identity_element 항등함수,identity_function These pages share an initial or final title word... 개체entity 삼각항등식,trigonometric_identity 아이덴티티,identity