This will be best explained by defining the positive property of inductiveness which characterises the finite numbers, and which is named after the method of proof known as "mathematical induction."
"Our Knowledge of the External World as a Field for Scientific Method in Philosophy"
Bertrand Russell
His first work, Begriffsschrift, published in 1879, contained the very important theory of hereditary properties in a series to which I alluded in connection with inductiveness.
"Our Knowledge of the External World as a Field for Scientific Method in Philosophy"
Bertrand Russell