remove duplicate truthy falsy explanation

python.html.markdown

@@ -165,15 +165,6 @@ None  # => None
 "etc" is None  # => False
 None is None   # => True
 
-# None, 0, and empty strings/lists/dicts/tuples/sets all evaluate to False.
-# All other values are True
-bool(0)     # => False
-bool("")    # => False
-bool([])    # => False
-bool({})    # => False
-bool(())    # => False
-bool(set()) # => False
-
 ####################################################
 ## 2. Variables and Collections
 ####################################################