Examlex
A speculator who expects interest rates to fall enters a contract to buy (i.e., accept delivery) of Treasury bills.
Prototype
An original model or first form of something from which other forms are copied or developed.
Exemplar
An individual instance or example that is representative of a category or concept, often used in models of categorization in cognitive psychology.
Schema
A cognitive framework or concept that organizes and interprets information in the mind, helping to understand and predict the world.
Concept Formation
The cognitive activity of organizing information into relevant categories or ideas.
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