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Modelling Theory and Practice/Modelling with Concepts
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composite even odd prime square 1 √ √ 2 √ √ 3 √ √ 4 √ √ √ 5 √ √ 6 √ √ 7 √ √ 8 √ √ 9 √ √ √ 10 √ √
Start: single property R(x). Now: extend by further properties R(x), S(x), T(x).
Can be shown in a table like:
Problem: how to keep the overview?
Solution: by introducing concepts.
What is a concept:
Intuition
Characteristics
Definition
Hasse diagram
Basic structures
linear order
taxonomy (tree)
diamond
Formal concept analysis
Fundamental theorem of concept analysis: the set of concepts are a lattice.
More complex structures.