Set: pp::colors
  Set: pp::unicode
  Assumed: f
∀ a : Int, (f a a) > 0
∀ a b : Int, (f a b) > 0
  Assumed: g
∀ (a : Int) (b : Real), (g a b) > 0
∀ a b : Int, (g a (f a b)) > 0
  Set: lean::pp::coercion
∀ a b : Int, (g a (int_to_real (f a b))) > (nat_to_int 0)
λ a : Nat, a + 1
Error (line: 10, pos: 18) ambiguous overloads
Candidates:
    Real::add : Real → Real → Real
    Int::add : Int → Int → Int
    Nat::add : Nat → Nat → Nat
Arguments:
    a : lift:0:2 ?M0
    b : lift:0:1 ?M2
λ a b c : Int, a + c + b
Error (line: 17, pos: 19) ambiguous overloads
Candidates:
    Real::add : Real → Real → Real
    Int::add : Int → Int → Int
    Nat::add : Nat → Nat → Nat
Arguments:
    a : lift:0:2 ?M0
    b : lift:0:1 ?M2
  Assumed: x
λ a b : Int, a + x + b