My description of the prereflective cogito as the sole form of consciousness in satisfaction is, consequently, at odds with the Sartrean scheme. (religion-online.org)
Descartes (1596 - 1650) contributed to mathematics and especially to philosophy — to the latter with his basic questioning and his principle of cogito, ergo sum («I think, therefore I am»). (religion-online.org)
On the other hand, the prereflective cogito is adverbial: it stands in a nonthetic, nonintentional relation to that of which it is conscious. (religion-online.org)