755.lean:5:44-5:47: error: type mismatch
  rfl
has type
  0 = @OfNat.ofNat Nat 0 (instOfNatNat 0) : Prop
but is expected to have type
  0 = @OfNat.ofNat (Additive Nat) 0 instOfNatAdditive : Prop
755.lean:24:2-24:5: error: type mismatch
  rfl
has type
  2 * 3 = @HMul.hMul Nat Nat Nat instHMul 2 3 : Prop
but is expected to have type
  2 * 3 = @HMul.hMul (Foo Nat) (Foo Nat) (Foo Nat) instHMulFooFooFoo 2 3 : Prop
755.lean:27:2-27:5: error: type mismatch
  rfl
has type
  2 + 3 = @HAdd.hAdd Nat Nat Nat instHAdd 2 3 : Prop
but is expected to have type
  2 + 3 = @HAdd.hAdd (Foo Nat) (Foo Nat) (Foo Nat) instHAddFooFooFoo 2 3 : Prop
755.lean:30:2-30:5: error: type mismatch
  rfl
has type
  2 - 3 = @HSub.hSub Nat Nat Nat instHSub 2 3 : Prop
but is expected to have type
  2 - 3 = @HSub.hSub (Foo Nat) (Foo Nat) (Foo Nat) instHSubFooFooFoo 2 3 : Prop