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Period: 427 BCE to 347 BCE
The Republic by Plato
is to first explicate the primary notion of societal, or political, justice, and then to derive an analogous concept of individual justice. -
Period: 384 BCE to 322 BCE
Teleological Philosophy by Aristotle
from the Greek word "telos" means "end". What conduces to the attainment of his good or end will be a "right" action on man's part; the action that is opposed to the attainment of his true good will be a "wrong" action. -
Period: 1201 to 1500
The master principle of natural law by Thomas Aquinas
good is to be done and pursued and evil avoided. -
Period: to
Deontological Theory by Immanuel Kant
"It is impossible to think of anything at all in the world, or indeed even beyond it, that could be considered good without limitation except a good will." -
Period: to
Utilitarianism by Jeremy Bentham
is a theory of morality, which advocates actions that foster happiness or pleasure and opposes actions that cause unhappiness or harm.