Veil of Ignorance
“A method of determining the morality of a certain issue (e.g., slavery) based upon the following thought experiment: parties to the original position know nothing about the particular abilities, tastes, and positions individuals will have within a social order. When
Agnosticism
“The view that the truth values of certain claims — especially metaphysical and religious claims such as whether God, the divine, or the supernatural exist — are unknown and perhaps unknowable.” Source: Gabriel Weinberg's Mental Models I Find Repeatedly Useful
Effective Altruism
“Encourages individuals to consider all causes and actions, and then act in the way that brings about the greatest positive impact, based on their values.” Source: Gabriel Weinberg's Mental Models I Find Repeatedly Useful
Utilitarianism
“Holding that the best moral action is the one that maximizes utility.” Source: Gabriel Weinberg's Mental Models I Find Repeatedly Useful
Consequentialism
“Holding that the consequences of one’s conduct are the ultimate basis for any judgment about the rightness or wrongness of that conduct.” (related: “ends justify the means”) Source: Gabriel Weinberg's Mental Models I Find Repeatedly Useful
Distributive Justice vs Procedural Justice
“Procedural justice concerns the fairness and the transparency of the processes by which decisions are made, and may be contrasted with distributive justice (fairness in the distribution of rights or resources), and retributive justice (fairness in the punishment of wrongs).”
Peak Oil
“The point in time when the maximum rate of extraction of petroleum is reached, after which it is expected to enter terminal decline.” Source: Gabriel Weinberg's Mental Models I Find Repeatedly Useful
Sustainability
“The endurance of systems and processes.” Source: Gabriel Weinberg's Mental Models I Find Repeatedly Useful
Butterfly Effect
“The concept that small causes can have large effects.” (related: bullwhip effect — “increasing swings in inventory in response to shifts in customer demand as you move further up the supply chain.”) Source: Gabriel Weinberg's Mental Models I Find Repeatedly Useful
Filling a Vacuum
A vacuum “is space void of matter.” Filling a vacuum refers to the fact that if a vacuum is put next to something with pressure, it will be quickly filled by the gas producing that pressure. (related: power vacuum) Source: