Update Quest1.md

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@ -117,9 +117,11 @@ This is called a _sigma type_, which has three interpretations:
- the total space of the bundle `isEven` over ``, - the total space of the bundle `isEven` over ``,
which is the space obtained by putting together all the fibers. which is the space obtained by putting together all the fibers.
Pictorially, it looks like Pictorially, it looks like
<img src="images/isEvenBundle.png" <img src="images/isEvenBundle.png"
alt="SigmaTypeOfIsEven" alt="SigmaTypeOfIsEven"
width="500"/> width="500"/>
which can also be viewed as the subset of even naturals, which can also be viewed as the subset of even naturals,
since the fibers are either empty or singleton. since the fibers are either empty or singleton.
(It is a _subsingleton bundle_). (It is a _subsingleton bundle_).