Bracketed Problem Space evidence after a collection parameter alias. Optional supported attributes come first; sorted or unsorted is always the final token when value ordering matters.
[nonnegative unsorted], [unique sorted], and [positive unsorted] are canonical annotations.
Unlock proof and code translations.
Student includes full applied examples, common mistakes, proof translations, code-level usage, and advanced decision checklists.
Understand the Term. Now Apply It.
Now that you understand this term, see how it appears inside real reasoning walkthroughs.