Modelling Theory and Practice/Modelling with Concepts

composite even odd prime square
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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:

  1. Intuition
  2. Characteristics
  3. Definition
  4. Hasse diagram


Basic structures

  1. linear order
  2. taxonomy (tree)
  3. diamond

Formal concept analysis

Fundamental theorem of concept analysis: the set of concepts are a lattice.

More complex structures.

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