Assertion: collection's element | /r/CapableOf | implement comparable interface
Facets:
Source sentences:
text: All elements in the list must implement the Comparable interface.
text: All elements in the SortedSet must implement the Comparable Interface, furthermore all elements must be mutually comparable.
text: All elements in the collection must implement the Comparable interface.
text: All elements in the collection must implement the Comparable interface.