cat theory tweaks

Signed-off-by: Jim Pryor <profjim@jimpryor.net>

diff --git a/advanced_topics/monads_in_category_theory.mdwn b/advanced_topics/monads_in_category_theory.mdwn
index 316d027..8a21eb2 100644 (file)
--- a/advanced_topics/monads_in_category_theory.mdwn
+++ b/advanced_topics/monads_in_category_theory.mdwn
@@ -22,12 +22,12 @@ Monoids
 A **monoid** is a structure `(S, *, z)` consisting of an associative binary operation `*` over some set `S`, which is closed under `*`, and which contains an identity element `z` for `*`. That is:
 
 
-<blockquote>
-for all `s1`, `s2`, `s3` in `S`:<BR>
-(i) `s1*s2` etc are also in `S`<BR>
-(ii) `(s1*s2)*s3` = `s1*(s2*s3)`<BR>
+<pre>
+for all `s1`, `s2`, `s3` in `S`:
+(i) `s1*s2` etc are also in `S`
+(ii) `(s1*s2)*s3` = `s1*(s2*s3)`
 (iii) `z*s1` = `s1` = `s1*z`
-</blockquote>
+</pre>
 
 Some examples of monoids are: