Update my answers in ch1

dwayne · dwayne · commit 20f8aa9ba72d · 2017-01-18T18:14:03.000-04:00
diff --git a/ch1/ex1.txt b/ch1/ex1.txt
@@ -2,6 +2,6 @@ NOTE: To get λ type SHIFT + CTRL + u followed by 03bb.
 
 1. λxy.xz == λmn.mz (b)
 
-2. λxy.xxy == λa(λb).aab (c)
+2. λxy.xxy == λa.(λb.aab) (c)
 
 3. λxyz.zx == λtos.st (b)
