diff --git a/src/libcore/bool.rs b/src/libcore/bool.rs
index 1419aac6369..9e7e257ee30 100644
--- a/src/libcore/bool.rs
+++ b/src/libcore/bool.rs
@@ -8,43 +8,39 @@
 
 use cmp::Eq;
 
-export not, and, or, xor, implies;
-export eq, ne, is_true, is_false;
-export from_str, to_str, all_values, to_bit;
-
 /// Negation / inverse
-pure fn not(v: bool) -> bool { !v }
+pub pure fn not(v: bool) -> bool { !v }
 
 /// Conjunction
-pure fn and(a: bool, b: bool) -> bool { a && b }
+pub pure fn and(a: bool, b: bool) -> bool { a && b }
 
 /// Disjunction
-pure fn or(a: bool, b: bool) -> bool { a || b }
+pub pure fn or(a: bool, b: bool) -> bool { a || b }
 
 /**
  * Exclusive or
  *
  * Identical to `or(and(a, not(b)), and(not(a), b))`
  */
-pure fn xor(a: bool, b: bool) -> bool { (a && !b) || (!a && b) }
+pub pure fn xor(a: bool, b: bool) -> bool { (a && !b) || (!a && b) }
 
 /// Implication in the logic, i.e. from `a` follows `b`
-pure fn implies(a: bool, b: bool) -> bool { !a || b }
+pub pure fn implies(a: bool, b: bool) -> bool { !a || b }
 
 /// true if truth values `a` and `b` are indistinguishable in the logic
-pure fn eq(a: bool, b: bool) -> bool { a == b }
+pub pure fn eq(a: bool, b: bool) -> bool { a == b }
 
 /// true if truth values `a` and `b` are distinguishable in the logic
-pure fn ne(a: bool, b: bool) -> bool { a != b }
+pub pure fn ne(a: bool, b: bool) -> bool { a != b }
 
 /// true if `v` represents truth in the logic
-pure fn is_true(v: bool) -> bool { v }
+pub pure fn is_true(v: bool) -> bool { v }
 
 /// true if `v` represents falsehood in the logic
-pure fn is_false(v: bool) -> bool { !v }
+pub pure fn is_false(v: bool) -> bool { !v }
 
 /// Parse logic value from `s`
-pure fn from_str(s: &str) -> Option<bool> {
+pub pure fn from_str(s: &str) -> Option<bool> {
     if s == "true" {
         Some(true)
     } else if s == "false" {
@@ -55,19 +51,19 @@ pure fn from_str(s: &str) -> Option<bool> {
 }
 
 /// Convert `v` into a string
-pure fn to_str(v: bool) -> ~str { if v { ~"true" } else { ~"false" } }
+pub pure fn to_str(v: bool) -> ~str { if v { ~"true" } else { ~"false" } }
 
 /**
  * Iterates over all truth values by passing them to `blk` in an unspecified
  * order
  */
-fn all_values(blk: fn(v: bool)) {
+pub fn all_values(blk: fn(v: bool)) {
     blk(true);
     blk(false);
 }
 
 /// converts truth value to an 8 bit byte
-pure fn to_bit(v: bool) -> u8 { if v { 1u8 } else { 0u8 } }
+pub pure fn to_bit(v: bool) -> u8 { if v { 1u8 } else { 0u8 } }
 
 impl bool : cmp::Eq {
     pure fn eq(other: &bool) -> bool { self == (*other) }
@@ -75,20 +71,20 @@ impl bool : cmp::Eq {
 }
 
 #[test]
-fn test_bool_from_str() {
+pub fn test_bool_from_str() {
     do all_values |v| {
         assert Some(v) == from_str(bool::to_str(v))
     }
 }
 
 #[test]
-fn test_bool_to_str() {
+pub fn test_bool_to_str() {
     assert to_str(false) == ~"false";
     assert to_str(true) == ~"true";
 }
 
 #[test]
-fn test_bool_to_bit() {
+pub fn test_bool_to_bit() {
     do all_values |v| {
         assert to_bit(v) == if is_true(v) { 1u8 } else { 0u8 };
     }