lean2/tests/lean/run/e6.lean

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precedence `+`:65
namespace nat
constant nat : Type.{1}
constant add : nat → nat → nat
infixl + := add
end nat
namespace int
open nat (nat)
constant int : Type.{1}
constant add : int → int → int
infixl + := add
constant of_nat : nat → int
coercion of_nat
end int
open int
open nat
constants n m : nat
constants i j : int
check n + m
check i + j
check i + n
check i + n + n + n + n + n + n + n + n + n + n + n +
n + n + n + n + n + n + n + n + n + n + n + n +
n + n + n + n + n + n + n + n + n + n + n + n +
n + n + n + n + n + n + n + n + n + n + n + n