Scrabble?! TUPLES

Definitions of TUPLES in various dictionaries:

In mathematics, a tuple is a finite ordered list (sequence) of elements. An n-tuple is a sequence (or ordered list) of n elements, where n is a non-negative integer. There is only one 0-tuple, an empty sequence, or empty tuple, as it is referred to. An n-tuple is defined inductively using the construction of an ordered pair. Mathematicians usually write tuples by listing the elements within parentheses " ( ) {\displaystyle ({\text{ }})} " and separated by commas; for example, ( 2 , 7 , 4 , 1 , 7 ) {\displaystyle (2,7,4,1,7)} denotes a 5-tuple. Sometimes other symbols are used to surround the elements, such as square brackets "[ ]" or angle brackets "< >". Braces "{ }" are only used in defining arrays in some programming languages such as Java and Visual Basic, but not in mathematical ex