-- Module definition example
𝓜 Mathematics ⇒ {
    π ≜ 3.14159;
    sin ≜ λx∈ℝ: ⊥ {- implementation deferred until MPL executes -};
    cos ≜ λx∈ℝ: ⊥ {- implementation deferred until MPL executes -}
};

angle ← π/4;
result ← Mathematics‧sin(angle);