The value "n" is called the arity of the tuple. A primary key uniquely specifies a tuple within a table. A "tuple" is an ordered set of attribute values. A deconstructor's job is to decompose a class object into a tuple of elemental objects. An empty tuple is denoted by codice 76. The objective function takes a tuple of hyperparameters and returns the associated loss. A grammar is formally defined as the tuple formula 16. Pattern matching is the easiest way of fetching the two parts of the tuple. Being able to uniquely identify a row (tuple) is a requirement of 1NF. Arguments to codice 64 are passed as a tuple, here codice 65. Though the concept has changed, the name "tuple" has not. These redundancies can be reduced by using tricks such as tuple id propagation. Which wraps codice 54 in the tuple described above.