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-rw-r--r--lib/stdlib/doc/src/lists.xml2
-rw-r--r--lib/stdlib/doc/src/sofs.xml2
2 files changed, 2 insertions, 2 deletions
diff --git a/lib/stdlib/doc/src/lists.xml b/lib/stdlib/doc/src/lists.xml
index a273a2301f..b3ad7aaf46 100644
--- a/lib/stdlib/doc/src/lists.xml
+++ b/lib/stdlib/doc/src/lists.xml
@@ -48,7 +48,7 @@
<item><p>if x <c>F</c> y and y <c>F</c> x then x = y (<c>F</c>
is antisymmetric);</p>
</item>
- <item><p>if x <c>F</c> y and and y <c>F</c> z then x <c>F</c> z
+ <item><p>if x <c>F</c> y and y <c>F</c> z then x <c>F</c> z
(<c>F</c> is transitive);</p>
</item>
<item><p>x <c>F</c> y or y <c>F</c> x (<c>F</c> is total).</p>
diff --git a/lib/stdlib/doc/src/sofs.xml b/lib/stdlib/doc/src/sofs.xml
index 8c8ae51262..729df1e678 100644
--- a/lib/stdlib/doc/src/sofs.xml
+++ b/lib/stdlib/doc/src/sofs.xml
@@ -210,7 +210,7 @@
X[i] to Y[i] and S a subset of
X[1]&nbsp;&times;&nbsp;...&nbsp;&times;&nbsp;X[n].
The <marker id="multiple_relative_product"></marker><em>multiple
- relative product</em> of TR and and S is defined to be the
+ relative product</em> of TR and S is defined to be the
set {z&nbsp;: z&nbsp;= ((x[1],&nbsp;...,&nbsp;x[n]), (y[1],...,y[n]))
for some (x[1],&nbsp;...,&nbsp;x[n])&nbsp;in&nbsp;S and for some
(x[i],&nbsp;y[i]) in R[i],