The Presocratics were looking for:

• the source of our knowledge

• the fundamental substance

• a way to defend the Christian doctrines

• the source of our morality

Who suggested that all matter, regardless of its apparent properties, must be "water":

• Empedocles

• Anaxagoras

• Anaximenes

• Thales

Who assumed that all matter was composed of four essential elements: fire, air, water, and earth?

• Thales

• Anaximenes

• Empedocles of Acragas

• Socrates

Who wrote about the Sophists and described them as "the anglers"?

• Socrates

• Plato

• Aristotle

• Thales

The so called "world of ideas" or "Forms" was created by:

• Aristotle

• Plato

• Pythagoras

• Socrates

Who is often referred to as one of the founders of Western philosophy, and yet he wrote nothing?

• Pythagoras

• Socrates

• Plato

• Aristotle

Who developed the first known classification system for plants and animals?

• Aristotle

• Plato

• René Descartes

• Thomas More

Which philosopher was interested in the problem of evil?

• René Descartes

• St. Augustine

• Francis Bacon

• St. Thomas Aquinas

Who decided to combine Aristotle's philosophy and the Bible (regarding the beginning of the world)?

• St. Augustine

• René Descartes

• St. Thomas Aquinas

• John Locke

Which of the following philosophers belong to rationalism?

• René Descartes

• John Locke

• Gottfried Leibniz

• Francis Bacon