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Update sets_in_lean.rst #47

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2 changes: 1 addition & 1 deletion sets_in_lean.rst
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Expand Up @@ -261,7 +261,7 @@ The fact that Lean has to unfold definitions means that it can be confused at ti
have h2 : x ∈ B, from and.right h,
and.intro h2 h1

One workaround is to use the ``show`` command; in general, providing Lean with such additional information is often helpful. Another is to workaround is to give the theorem a name, which prompts Lean to use a slightly different method of processing the proof, fixing the problem as a lucky side effect.
One workaround is to use the ``show`` command; in general, providing Lean with such additional information is often helpful. Another workaround is to give the theorem a name, which prompts Lean to use a slightly different method of processing the proof, fixing the problem as a lucky side effect.

.. code-block:: lean

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