**Lonergan’s achievement** – like the achievements of **Euclid, Newton, and Einstein** – *was “to bring together many scattered theorems by setting up a ***unitary basis** that would handle all of them and a great number of others as well.” Note in the excerpts below** these phrases **

- a field of greater generality
- an enlarged and radically different field
- scientific generalization
- (analytical) level of system
- organized system
- one single organized subject
- a determinate systematic structure
- a determinate field
- a single explanatory unity
- ultimate premises
- the stability of the sets and patterns of dynamic relationships

Consider:

**Generalization** comes with Newton, who attacked the general theory of motion, laid down its **pure theory**, identified Kepler’s and Galileo’s laws by inventing the calculus, and so found himself in a position to **account for any** corporeal **motion** known. Aristotle, Ptolemy, Copernicus, Galilei, and Kepler had all been busy with particular classes of moving bodies. **Newton dealt in the same way with all.** He did so by turning to **a field of greater generality**, the laws of motion, and by finding a **deeper unity** in the apparent disparateness of Kepler’s ellipse and Galilei’s time squared. … Similarly the **non-Euclidean geometers and Einstein** went** beyond Euclid and Newton**. … The non-Euclideans moved geometry back to **premises more remote than Euclid’s axioms**, they developed methods of their own **quite unlike Euclid’s**, and though they did not impugn Euclid’s theorems, neither were they very interested in them; casually and incidentally they turn them up as particular cases in **an enlarged and radically different field.** … Einstein went beyond Newton by employing the **new geometries** to make time an independent variable; and as Newton transformed the formulation and interpretation of Kepler’s laws, **so Einstein transforms the Newtonian laws of motion**. … It is, we believe, **a scientific generalization** of the old political economy and of modern economics that will yield **the new political economy which we need.** … Plainly **the** **way out is through a more general field**. [CWL 21, 6-7] Continue reading →