use proper mathematical expressions for subsets [ci skip]

Fixes https://github.com/nim-lang/website/issues/46
This commit is contained in:
narimiran
2019-06-04 14:57:04 +02:00
parent e3ddc6b83a
commit 6f853a747a

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@@ -40,7 +40,7 @@ operation meaning
``A - B`` difference of two sets (A without B's elements)
``A == B`` set equality
``A <= B`` subset relation (A is subset of B or equal to B)
``A < B`` strong subset relation (A is a real subset of B)
``A < B`` strict subset relation (A is a proper subset of B)
``e in A`` set membership (A contains element e)
``e notin A`` A does not contain element e
``contains(A, e)`` A contains element e