Clamped the Ky Fan metric.

src/measure/measurable-maps/in-measure.tex

@@ -35,7 +35,7 @@
 \label{definition:ky-fan}
     Let $(X, \cm, \mu)$ be a measure space, $(Y, d)$ be a metric space, and
     \[
-    \alpha: \mathscr{M}(X; Y)^2 \to [0, \infty) \quad (f, g) \mapsto \inf\bracs{\eps > 0| \mu\bracs{d(f, g) > \eps} \le \eps}
+    \alpha: \mathscr{M}(X; Y)^2 \to [0, \infty) \quad (f, g) \mapsto \inf\bracs{\eps > 0| \mu\bracs{d(f, g) > \eps} \le \eps} \wedge 1
     \]
 
     then: