| Answer | Crossword Clue |
|---|---|
| IAM | The 'sum' of Descartes |
| IAM | "Sum" of a Descartes quote |
| ERGO | "Cogito, ... sum": Descartes |
| ERGO | "Cogito ... sum": Descartes |
| ERGO | "Cogito, ... sum" (Descartes) |
| ERGO | 'Cogito, -- sum': Descartes |
| ERGO | Cogito ..... sum (Descartes' conclusion) |
| ERGO | Cogito ... sum (Descartes' conclusion) |
| ERGO | Cogito ... sum (Descartes' conclusion) |
| RENE | Descartes who wrote "Cogito ergo sum" |
| RENE | Descartes who wrote "Cogito, ergo sum" |
