vie: phần tử đơn vị

Information
has URI	http://lexvo.org/id/term/vie/ph%E1%BA%A7n%20t%E1%BB%AD%20%C4%91%C6%A1n%20v%E1%BB%8B

Meaning
means	(noun) an operator that leaves unchanged the element on which it operates; "the identity under numerical multiplication is 1" identity operator, identity, identity element