# Principle

## Discovery (observation)

In the early 1800s, a scientist named Pierre-Simon Laplace discovered the principle of general covariance in mathematics. This principle states that all physical quantities are related in a certain way, …

## The Five Whys

The Five Whys is a scientific principle that helps scientists understand why and how things happen. The principle says that there are five reasons why something might happen, and then …

## Simplicity Principle

The Simplicity Principle is a philosophical principle that can be traced back to the ancient Greeks. The principle states that everything in a system should be as simple as possible, …

## Reality Principle

The reality principle is a philosophical concept developed by Austrian philosopher and psychologist, Kurt Gödel. It refers to the idea that our perceptions of reality are determined by our cognitive …

## Reafference Principle

The reafference principle is a neurological principle that states that the reafferent signals (sensory signals that are being reaffirmed, such as proprioceptive signals from muscles and joints) have a stronger …

## Reduction To Essence Rule

The Reduction To Essence Rule is a principle in ontology that holds that entities can be reduced to their most fundamental elements. This rule is important because it allows for …

## Principle Of Primacy

The principle of primacy is a cognitive principle that states that the first thing we learn about a topic will be more heavily weighted in our memory and is more …

## Principle Of Prägnanz

The principle of Pr gnanz is a mathematical theorem that states that the expected value of a random variable is equal to the average of its possible values. This theorem …

## Principle Of Parsimony

The principle of parsimony, also known as Occam’s razor, is a principle of scientific reasoning that suggests that the simplest explanation for a phenomenon is most likely the correct one. …

## Principle Of Double Effect (pde)

The principle of double effect (pde) is a moral principle that states that it is morally acceptable to perform an action that has both good and bad consequences, as long …

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