Set: pp::colors Set: pp::unicode ℕ ℕ ℤ -10 5 ℤ Assumed: x Assumed: n Assumed: m n + m n + x + m Set: lean::pp::coercion (nat_to_int n) + x + (nat_to_int m) + (nat_to_int 10) x + (nat_to_int n) + (nat_to_int m) + (nat_to_int 10) (nat_to_int (n + m + 10)) + x Set: lean::pp::notation Int::add (nat_to_int (Nat::add (Nat::add n m) 10)) x