Search Results: Logic

John Stuart Mill (1806-1873) was a highly influential English philosopher of the Victorian Era. His writings were influenced by the Enlightenment thinkers and German Romanticism. Besides philosophical works, he wrote on mathematics, language...

Zeno of Elea (l. c.465 BCE) was a Greek philosopher of the Eleatic School and a student of the elder philosopher Parmenides (l.c. 485 BCE) whose work influenced the philosophy of Socrates (l. c. 470/469-399 BCE). Zeno and Parmenides are both...

René Descartes (1596-1650) was a French mathematician, natural scientist, and philosopher, best known by the phrase 'Cogito ergo sum' ('I think therefore I am'). He published works on optics, coordinate geometry, physiology, and cosmology...

Cardinal Thomas Cajetan (l.c. 1468-1534) was a Catholic theologian and philosopher best known for his disputations with Martin Luther (l. 1483-1546) beginning in 1518. Cajetan, a philosophical Humanist, was thought to have had the best chance...

The Suppliants (also given as Suppliant Women) is a Greek tragedy written by Euripides, not to be confused with Aeschylus' tragedy of the same title. Its exact date of production is not known, possibly around 424 to 420 BCE, and may have...

Fatima Al-Fihri (c. 800-880) was a Muslim woman, scholar and philanthropist who is credited with founding the world’s oldest, continuously running university during the 9th century: the University of Al-Qarawiyyin, located in Fez in Morocco...

Martin Luther's 95 Theses, credited with sparking the Protestant Reformation in Europe, have become a cultural touchstone since he posted them 31 October 1517, but the little-known 97 Theses, posted only a month earlier, are equally significant...

Zeno of Citium (c. 336 – 265 BCE) was the founder of the Stoic School of philosophy in Athens, which taught that the Logos (Universal Reason) was the greatest good in life and living in accordance with reason was the meaning of life. He was...

The creation of the art of dialectic is credited to Zeno of Elea, the philosophical champion of Parmenides’ claim that the essence of reality is One and unchanging. Zeno was Parmenides’ student and protégé and, in defending and defining his...

The powerful procedures possible with modern mathematics are rooted in logic that began thousands of years ago. Thales' Theorem demonstrates one style of early mathematical logic, a logic that is relevant and important today.