ACARA’s draft mathematics curriculum contained the following elaboration from Year 8 Number:
using expressions such as , and to illustrate the convention that for any natural number 𝑛, , for example, (old AC9M8N02)
This has been changed for the approved curriculum:
using examples such as , and to illustrate the necessity that for any non-zero natural number 𝑛, (new AC9M8N02)
Give ’em another few years and ACARA just might land upon proper wording. And the proper use of commas. And brackets. And logic.