<s xml:space="preserve">
The reference to Pappus is to Commandino's edition of Books III to
<emph style="it">Mathematicae collectiones</emph>
<ref id="pappus_1588">
(Pappus </ref>
. The proposition on page 41 is Proposition IV.7. </s>
<lb/>
<quote xml:lang="lat">
<s xml:space="preserve">
Theorema VII. Propositio VII.
<lb/>
Sit quadrilaterum ABCD, rectum angulus habens ABC, & datam unamquamque rectarum linearum AB BC CD DA.
ostendum est rectam lineam, quæ BD puncta coniungit, datam esse.</s>
</quote>
<lb/>
<quote>
<s xml:space="preserve">
Let there be a quadrilateral ABCD, having a right angle ABC. Given any one of the lines AB, BC, CD, DA,
it is to be shown that the line which joins BD is given.</s>
</quote>
<s xml:space="preserve">]</s>
</p>
</div>
<head xml:space="preserve" xml:lang="lat">
Lemmata, ad
<lb/>
locum de
<lb/>
[
<emph style="bf">Translation: </emph>
Lemmas, on the place of ]</head>
<p xml:lang="lat">
<s xml:space="preserve">
Datis tribus lateribus
<lb/>
trianguli; invenire
<lb/>
diametrum circuli
<lb/>
<lb/>
[
<emph style="bf">Translation: </emph>
Given three sides of a triangle, find the diameter of the circumscribing ]</s>
</p>
<p xml:lang="lat">
<s xml:space="preserve">
<lb/>
[
<emph style="bf">Translation: </emph>
]</s>
</p>
<p xml:lang="lat">
<s xml:space="preserve">
hinc i.p. Appendiculæ
<lb/>
<lb/>
[
<emph style="bf">Translation: </emph>
Here see the Appendix of ]</s>
</p>
<p xml:lang="lat">
<s xml:space="preserve">
Datis lateribus duorum
<lb/>
triangulorum super eandem
<lb/>
basim: verticum distantiam
<lb/>
invenire.
<lb/>
videlicet:
<math>
<mstyle>
<mi>b</mi>
<mi>d</mi>
</mstyle>
</math>
<lb/>
[
<emph style="bf">Translation: </emph>
Given the sides of two triangles on the same base, to find the vertical distance, namely
<math>
<mstyle>
<mi>b</mi>
<mi>d</mi>
</mstyle>
</math>
. </s>
</p>
<p xml:lang="lat">
<s xml:space="preserve">
Sunt etiam alia in pappo
<lb/>
pag: 41. &
<lb/>
[
<emph style="bf">Translation: </emph>
There are also more in Pappus, page 41 and what ]</s>