(use '[clojure.set :only [superset?]])
user=> (superset? #{0} #{0})
true
user=> (superset? #{0 1} #{0})
true
user=> (superset? #{0} #{0 1})
false
Source
clojure/set.clj:150
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(defn superset?
"Is set1 a superset of set2?"
{:added "1.2",
:tag Boolean}
[set1 set2]
(and (>= (count set1) (count set2))
(every? #(contains? set1 %) set2)))
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