Sola Scriptura (Luther): The belief that the Bible alone is the ultimate authority for Christian faith and practice, rejecting other sources like church traditions
“By scripture alone”
Sola Fides (Luther): The doctrine that faith alone, rather than good works, is the means by which a person is justified and saved by God
“By faith alone”
Imputation of Righteousness (Calvin): The belief that Christ’s righteousness is credited to believers by faith, making them right with God, even though they are not inherently righteous.
Medici (Machiavelli): Refers to the powerful Italian banking family that Machiavelli used as an example of political rule in his writings, particularly in "The Prince."
Virtù (Machiavelli): A concept in Machiavelli’s political theory referring to the qualities that a ruler needs to effectively shape their destiny, like strength, cunning, and pragmatism.
Fortuna (Machiavelli): A concept of luck or fortune, which Machiavelli believed could affect human affairs, but which a ruler must skillfully navigate or master to succeed.
Sovereign (Hobbes): The absolute ruler or authority in a state, created by a social contract to maintain peace and order, as discussed in Hobbes' work Leviathan.
General Will (Rousseau): The collective will of the people, which should guide the decisions of the state; it represents the common good, not individual desires.
Idols: Tribe, Cave, Theater, Marketplace (Bacon): These are types of biases or false notions that distort human understanding:
Tribe refers to human nature’s tendencies.
Cave refers to individual biases based on personal experiences.
Theater refers to misleading philosophies or ideologies.
Marketplace refers to how language can mislead.
Inductive (Bacon): A method of reasoning that moves from specific observations to general conclusions. Bacon emphasized this approach in scientific inquiry.
Deductive (Bacon): A method of reasoning that starts with general principles and moves to specific conclusions.
Epistemology: The branch of philosophy concerned with the nature, scope, and limits of knowledge—how we know what we know.
Metaphysics: The branch of philosophy that deals with the nature of reality, including concepts like existence, time, space, and causality.
Hyperbolic Doubt (Descartes): Descartes’ method of doubting everything that can possibly be doubted to establish certain knowledge, often phrased as doubting the existence of the external world.
Indubitability (Descartes): The idea that certain knowledge must be so certain that it cannot be doubted, like the knowledge of one’s own existence.
Res Cogitans (Descartes): The "thinking thing"—Descartes’ term for the mind or soul, which is distinct from the body.
Res Extensa (Descartes): The "extended thing"—Descartes’ term for the physical body or matter, which exists in space and can be measured.
Cogito Ergo Sum (Descartes): "I think, therefore I am"—Descartes’ foundational statement that his ability to doubt or think proves his existence.
Dubito Ergo Sum (Descartes): "I doubt, therefore I am"—Another way of stating the same idea that doubting proves one’s existence.
Rationalist: A philosopher who believes that reason and logic are the primary sources of knowledge, rather than sensory experience.
Empiricist: A philosopher who believes that knowledge comes primarily from sensory experience, rather than innate ideas or reasoning.
Idealist: A philosopher who believes that reality is fundamentally mental or spiritual in nature, and that our perception shapes the world.
Deontology: An ethical theory that emphasizes duties, rules, and principles, suggesting that actions are morally right if they follow a set of rules, regardless of consequences.
Utilitarianism: An ethical theory that suggests the best action is the one that maximizes overall happiness or well-being for the greatest number of people.
Categorical Imperative (Kant): Kant’s principle that one should act only according to maxims that could be consistently willed as a universal law (i.e., the rule should apply to everyone).
Hypothetical Imperative (Kant): A command that applies only if you have a specific goal in mind (e.g., "If you want to get healthy, exercise").
A Priori: Knowledge that is independent of experience; it is known through reason alone (e.g., mathematical truths).
“Prior to experience”
A Posteriori: Knowledge that comes from experience or empirical evidence (e.g., knowing that the sky is blue by seeing it).
“After experience”
Autonomy (Kant): The ability to make one’s own decisions and act in accordance with rational moral principles, free from external control.
Bourgeois (Marx): The social class that owns the means of production, such as factories, and controls economic power.
Proletariat (Marx): The working class who do not own the means of production and must sell their labor to survive.