There is a total of 12 terms, 6 of which have no children.
Overall statistics
There is a total of 551 terms, 365 of which have no children.
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith