Before revision: Mathematics The phrase is an in-joke among mathematicians, as it is often used in situations where the global structure of an object (e.g., a manifold, a Diophantine equation, or a group) can be inferred from the local structure.
After revision: The phrase is an in-joke among mathematicians, as it is often used in situations where the global structure of an object (e.g., a manifold, a Diophantine equation, or a group) can be inferred from the local structure.