refine hidden assignment2

[lambda.git] / topics / _assignment2.mdwn

diff --git a/topics/_assignment2.mdwn b/topics/_assignment2.mdwn
index 7a9ea03..0c793fc 100644 (file)
--- a/topics/_assignment2.mdwn
+++ b/topics/_assignment2.mdwn
@@ -27,7 +27,7 @@ In Racket, these functions can be defined like this:
 
 (Note that they are different from Racket's *primitive* boolean values `#t` and `#f`.)
 
 
 (Note that they are different from Racket's *primitive* boolean values `#t` and `#f`.)
 

-<small>(I know the numbering of the homework problems will restart instead of continuing as before. It's too much of a pain to fix it right now. We'll put in a better rendering engine later that will make this work right without laborious work-arounds on our part.)</small>
+<small>(I know the numbering of the homework problems will restart instead of continuing with 8, 9, ... It's too much of a pain to fix it right now. We'll put in a better rendering engine later that will make this work right without laborious work-arounds on our part.)</small>

 
 8.  Define a `neg` operator that negates `true` and `false`.
 
 
 8.  Define a `neg` operator that negates `true` and `false`.
 


@@ -45,10 +45,10 @@ In Racket, these functions can be defined like this:
 
 10. Define an `xor` operator. If you haven't seen this term before, here's a truth table:
 
 
 10. Define an `xor` operator. If you haven't seen this term before, here's a truth table:
 

-        true xor true == false
-        true xor false == true
-        false xor true == true
-        false xor false == false
+        true   xor  true   == false
+        true   xor  false  == true
+        false  xor  true   == true
+        false  xor  false  == false