On Tue, Jul 19, 2011 at 07:55:51PM +0200, Kim Bruning wrote:
place_of_residence=
(world AND NOT middle_east)
OR (israel AND NOT (west_bank OR gaza))
For people who have trouble deciphering SQL-ish language
(
small letters = sets
AND = Intersection
OR = Union
AND NOT=Intersection
)
For people who Just Need A Picture, you can also express this as a venn-like
diagram:
http://bruning.xs4all.nl/~kim/People_who_are_coming_to_wikimania.svg
is this indeed correct?
sincerely,
Kim Bruning
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