| Answer | Crossword Clue |
|---|---|
| ABCS | Prima principia. |
| MOORE | "Principia Ethica" philosopher |
| NEWTON | "Principia Mathematica" author |
| GEMOORE | "Principia Ethica" philosopher |
| NEWTON | Author of "Principia." |
| LAWOFGRAVITY | Formulation in Newton's "Principia" |
| KINETICS | Subject of Newton's "Principia" |
| GEMRE | British philosopher who wrote "Principia Ethica" |
| LOGIC | Focus of Whitehead and Russell's "Principia Mathematica" |
| HALLEY | Astronomer who financed the publication of Newton's "Principia" |
