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Cerberus, picture by William Blake (18th cent.)
Every second, millions of stimuli bombard your senses. You would soon be overwhelmed with too much information. Luckily, we only remember things that grab our attention ...
But
Intelligence is what you use when you don't know what to do. -- Jean Piaget
unfortunately
People usually think they know what to do and ... they do it. -- George Ridman
- People use the same abstract terms, sometimes, in very different research and everyday contexts, but usually their notions have certain common "kernel".
Such definitions are domain independent, I look for them.
- On the other hand, definitions can be hierarchical, for example:
A is a B with a property X.C is a A with a property Y, or C is a B with a property X and a property Y
For example, system is an entity where a presence of structure is recognized.
- ...
- In general, definition-making is not an art.
 | This user is a physicist. |
| This user loves knowledge. |
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This user also publish peer-reviewed articles in academic journals. |
 | This user enjoys reading science fiction. |