In the United States, the T-bone has the meat-cutting classification IMPS 1174; the porterhouse is IMPS 1173. In British usage, followed in Commonwealth countries, porterhouse refers to the strip steak side of a T-bone steak, while the tenderloin side is called the fillet.
In set theory, an ordinal number, or ordinal, is one generalization of the concept of a natural number that is used to describe a way to arrange a collection of objects in order, one after another. Any finite collection of objects can be put in order just by the process of counting: labeling the objects with distinct whole numbers.
B. The ordinal position of the day within the week for January 1 of that year (where Sunday is 1, Monday is 2 etc.). The ordinal position of the day within the week we'll call the week_ordinal and week_ordinal for January 1 we'll refer call week_ordinal(1/1).