| Diners' requests |
| Cartesians are his followers |
| Adverb in a Descartes quote |
| Cartesian conjunction |
| Start of a Descartes declaration |
| Diners' requests, sometimes |
| Descartes's statement about pondering an addition problem? |
| Descartes portraitist |
| Cogito, --- sum (Descartes' conclusion) |
| Descartes who wrote "Cogito ergo sum |
| Mathematician/philosopher Descartes |
| Some Cartesian coordinates |
| Descartes and Clair |
| Mathematician Descartes |
| Descartes' sum |
| Descartes found this truth to be self-evident |
| Descartes axiom |
| Therefore," to Descartes |
| Descartes or Cassin |
| Descartes's "sum |
| Cartesian phrase |
| Descartes's "therefore |
| Conclusion of Descartes |
| Start of Descartes' phrase |
| Descartes' conclusion |
| End of a Cartesian axiom |
| Conclusion of a Cartesian conclusion |
| Cartesian line |
| Auberjonois or Descartes |
| Descartes and Lévesque |