involves formally representing chains of reasoning and evidence, often via diagrams.
involves mentally lumping a group of separate activities or concepts into a single unit.
are skills so highly practised that they can be performed without thinking about them.
is a way of representing knowledge as a set of connected links, rather than as a modular structure.
are informal skills normally viewed as too low-level to merit being formally taught.
is a way of recording the reasons for each decision during design of a product or system.
is behaviour which shows what sort of person you are (c.f. instrumental behaviour).
involves being able to categorise the same topic in more than one way (e.g. via several hierarchies).
is a body of mathematics that deals with networks. It's invaluable for representing knowledge.
involves formally modelling the outcomes from interactions between different strategies.
involves places of transition, e.g. between a sacred space and a normal one.
occur when you realise that there's a completely different way of viewing the same object or situation.
The Pareto principle
is another name for the 80:20 principle, where 80% of one thing comes from 20% of another.
is an informal name for indicators of excellence that don't require much space.
is a form of category theory based on the idea of varying degrees of category membership.
is about mental templates, such as the schema for a sports car as opposed to a town car.
is a form of schema theory that deals with mental templates for events and activities.
is when the absence of something is significant (e.g. the dog that didn't bark in the night).
Spare capacity aka slack
is present when a system is not using all of its resources; it's useful during unexpected demand.
is a formal approach describing the behaviour of systems; this often produces surprising effects.
The uncanny valley
occurs when a person or object is neither quite one thing nor another (c.f. liminality).