22Hellenistic Philosophy Cynics Diogenesreject social conventions & avoid luxurieskosmopolites ~ citizens of the worldfulfill natural needs in simplest, most direct way
23Hellenistic Philosophy Skeptics Pyrrhopointed out weaknesses in arguments/beliefs of other schoolscan’t observe/experience things like the ultimate purpose of the universe or life, justice, divinity, the soul, etc. so no need to believe in or worry about themnothing can be known
24Hellenistic Philosophy Epicurians Epicurusgoal of life is human happinessavoid pain, trouble, responsibilityprimacy of sense perceptionpractical atheism
25Hellenistic Philosophy Stoics Zenoguiding principle of the world is divine reasonhappiness comes from living virtuously; virtue is a will in harmony with naturestrength & self-control to avoid destructive emotions (passions)
27Pythagoras' theorem: The sum of the areas of the two squares on the legs (a and b) of a right triangle equals the area of the square on the hypotenuse (c).Thales' theorem: if AC is a diameter, then the angle at B is a right angle.The sum of angles A, B, and C is equal to 180 degrees.The bridge of asses theorem states that A=B and C=D.