French philosophy for René Descartes' oeuvre. Modern philosophy began in France with the philosophy of René Descartes (1596–1650). His "Meditations on First Philosophy" changed the primary object of philosophical thought from ontology to epistemology and overcame the Aristotelian dogmatism inherited in philosophy from Scholasticism, the dominant form of thought in preceding centuries, while simultaneously raising some of the most fundamental problems for future generations of philosophers. René Descartes was concerned with the uncertainty in the sciences and the radical scepticism which spread across Europe when publications of Sextus Empiricus became available. Descartes desired to find indubitable ground on which all the sciences
African philosophy p'Bitek, and Taban Lo Liyong, and hermeneutic philosophy, the analysis of African languages in order to find philosophical content.) In the African diaspora, American philosopher Maulana Karenga has also been notable in presenting varied definitions for understanding modern African philosophy, especially as it relates to its earliest sources. Ethnophilosophy has been used to record the beliefs found in African cultures. Such an approach treats African philosophy as consisting in a set of shared beliefs, values, categories, and assumptions that are implicit in the language, practices, and beliefs of African cultures; in short, the uniquely African worldview. As such, it is