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Why Be virtuous/good/moral?. Plato & hobbes overview - historical parallels - addressing the same Q • Plato ’ s thought experiment (the ring) • Hobbes ’ thought experiment (S of N) - nature & reason argument. Historical parallels. Plato (~428 bc - 348 bc) Hobbes (1588 - 1679).
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Why Be virtuous/good/moral? • Plato & hobbes overview - historical parallels - addressing the same Q • Plato’s thought experiment (the ring) • Hobbes’ thought experiment (S of N) - nature & reason argument
Historical parallels • Plato (~428 bc - 348 bc) • Hobbes (1588 - 1679)
Two Major Influences Galileo Euclidean Geometry
Single Scientific Method Physical nature human human society Matter in motion Natural bodies (stones, planets, living organisms) Artificial bodies (societies, political bodies)
Causal laws:e is determined by c Conclusion Every event in the universe is necessarily determined by one or more previous cause
Scientific explanation of universe/human bodies • “For what is the heart, but a spring, and the nerves, but so many strings, and the joints, but so many wheels, giving a motion to the whole body…”
Euclidean geometry • Axioms --> theorems • Basic truths of human nature --> deduce morality/leviathan
morality human reason human nature
State of NatureEquality Equality “Nature hath made men so equal…” Right to anything necessary for survival
State of nature • Bodies in motion • Driven by desire to survive
State of NaturePsychology Fear Desire
State of Nature • Limited Resources --> enmity
State of NatureState of War Limited Resources --> enmity --> war “In such condition, there is no place for Industry…and the life of man, solitary, poor, nasty, brutish and short.”
What does Reason then tell us? • We do anything necessary to preserve life This Hobbes calls “Right of Nature” natural right
What does Reason then tell us? 2. Pursue Peace This Hobbes calls “Law of Nature” How to achieve Peace…?
The Social Contract“covenants, without the sword, are but words, and of no strength to secure a man at all” I give up my right to do anything (so long as you do as well) and give that right over to one authority
CommonwealthLeviathan The authority must reside in one person and be total and supreme.