📈XY📍

#cartesian coordinates #coordinate system #analytic geometry #rené descartes #xy plane #axes

🧐🧱→💡

#rationalism #methodical doubt #foundationalism #rené descartes #clear and distinct ideas #epistemology

🇫🇷🤔📚

#rené descartes #french philosopher #rationalism #thinker

🇫🇷🤔💡

#rené descartes #cogito ergo sum #rationalism #dualism