Carpe diem is a Latin phrase that means “seize the day”. It encourages people to focus on the present, appreciate the value of every moment in life, and avoid postponing things unnecessarily, because every life eventually comes to an end. For example, the principle of ‘carpe diem’ suggests that if there’s an event that …
A slippery slope is an argument that suggests that a certain initial action could lead to a chain of events with a relatively extreme result, or that if we treat one case a certain way then we will have to treat more extreme cases the same way too. For example, a slippery slope argument …
Read moreSlippery Slope: What It Is and How to Respond to It
The term homo economicus (‘economic man’) refers to people as they’re portrayed in certain economic theories, where they’re seen as ideal decision-making machines, with flawless rationality, unlimited cognitive capacity, perfect access to information, and a narrow-range of consistent, self-interested goals. Roughly speaking, this means that the homo economicus can be seen as someone who …
Read moreHomo Economicus: On the False Assumption of Perfect Rationality
A false dilemma (sometimes also referred to as a false dichotomy) is a logical fallacy, which occurs when a limited number of options are incorrectly presented as being mutually exclusive to one another or as being the only options that exist, in a situation where that isn’t the case. For example, a false dilemma …
Read moreFalse Dilemmas and False Dichotomies: What They Are and How to Respond to Them
Cui bono is a Latin phrase which means “who benefits?”, and which is used to suggest that there is a high probability that those responsible for a certain event are the ones who stand to gain from it. For example, if a certain crime has been committed, ‘cui bono’ suggests that the person who …
The golden rule is a moral principle which denotes that you should treat others the same way you would like to be treated yourself. For example, the golden rule suggests that if you would like people to treat you with respect, then you should make sure to treat them with respect too. The golden …
Read moreThe Golden Rule: Treat Others the Way You Want to Be Treated
An availability cascade is a self-reinforcing process where a certain stance gains increasing prominence in public discourse, which increases its availability to people and which therefore makes them more likely to believe it and spread it further. For example, an availability cascade could occur in a situation where a news story triggers a wave …
Read moreThe Availability Cascade: How Information Spreads on a Large Scale
Cherry picking is a logical fallacy that occurs when someone focuses only on evidence that supports their stance, while ignoring evidence that contradicts it. For example, a person who engages in cherry picking might mention only a small number of studies out of all the studies which were published on a certain topic, in an …
Read moreCherry Picking: When People Ignore Evidence that They Dislike
Bikeshedding (also referred to as the law of triviality) describes a phenomenon where people spend a relatively large amount of time, energy, and other resources dealing with relatively minor issues. For example, a corporate committee who engages in bikeshedding might spend more time discussing the construction of a small bikeshed compared to the construction of an …
Read moreBikeshedding and the Law of Triviality: Why People Focus on Minor Issues
Parsimony is a guiding principle that suggests that all things being equal, you should prefer the simplest possible explanation for a phenomenon or the simplest possible solution to a problem. For example, if you hear barking from inside your house, and you own a dog, it’s more reasonable to assume that you’re hearing your …
Read moreParsimony: Why You Should Prefer Simpler Explanations