fixed typo

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Michel Steuwer 2018-05-13 16:37:16 +01:00 committed by GitHub
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@ -259,8 +259,7 @@ opens that module, that is, adds all the names specified in the
`using` clause into the current scope. In this case the names added
are `_≡_`, the equivalence operator, and `refl`, the name for evidence
that two terms are equal. The third line takes a record that
specifies operators to support reasoning about equivalence,
dds
specifies operators to support reasoning about equivalence, and adds
all the names specified in the `using` clause into the current scope.
In this case, the names added are `begin_`, `_≡⟨⟩_`, and `_∎`. We
will see how these are used below. We take all these as givens for now,