diff --git a/library/init/core.lean b/library/init/core.lean
index bf2bd24c24..cf3c585805 100644
--- a/library/init/core.lean
+++ b/library/init/core.lean
@@ -581,26 +581,26 @@ theorem optParamEq (α : Sort u) (default : α) : optParam α default = α := rf
 | true  x y := x
 | false x y := y
 
-@[macroInline] def bor : Bool → Bool → Bool
+@[macroInline] def or : Bool → Bool → Bool
 | true  _  := true
 | false b  := b
 
-@[macroInline] def band : Bool → Bool → Bool
+@[macroInline] def and : Bool → Bool → Bool
 | false _  := false
 | true  b  := b
 
-@[macroInline] def bnot : Bool → Bool
+@[macroInline] def not : Bool → Bool
 | true  := false
 | false := true
 
-@[macroInline] def bxor : Bool → Bool → Bool
+@[macroInline] def xor : Bool → Bool → Bool
 | true  false := true
 | false true  := true
 | _  _        := false
 
-prefix ! := bnot
-infix || := bor
-infix && := band
+prefix ! := not
+infix || := or
+infix && := and
 
 /- Logical connectives an equality -/
 
diff --git a/library/init/data/list/basic.lean b/library/init/data/list/basic.lean
index 45a3b8f23b..e8f10f1311 100644
--- a/library/init/data/list/basic.lean
+++ b/library/init/data/list/basic.lean
@@ -246,9 +246,9 @@ foldr (λ a r, p a || r) false l
 @[inline] def all (l : List α) (p : α → Bool) : Bool :=
 foldr (λ a r, p a && r) true l
 
-def bor  (l : List Bool) : Bool := any l id
+def or  (bs : List Bool) : Bool := bs.any id
 
-def band (l : List Bool) : Bool := all l id
+def and (bs : List Bool) : Bool := bs.all id
 
 def zipWith (f : α → β → γ) : List α → List β → List γ
 | (x::xs) (y::ys) := f x y :: zipWith xs ys
diff --git a/library/init/data/nat/bitwise.lean b/library/init/data/nat/bitwise.lean
index 1572786efa..7c5f1dd78b 100644
--- a/library/init/data/nat/bitwise.lean
+++ b/library/init/data/nat/bitwise.lean
@@ -18,7 +18,7 @@ else
   let r  := bitwise n' m' in
   if f b₁ b₂ then bit1 r else bit0 r
 
-def land : Nat → Nat → Nat := bitwise band
-def lor  : Nat → Nat → Nat := bitwise bor
+def land : Nat → Nat → Nat := bitwise and
+def lor  : Nat → Nat → Nat := bitwise or
 
 end Nat