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Implication
- An implication A → B (between sets A,B∈M of attributes) holds in a formal context if and only if B⊆A‘‘
- i.e. if every object that has all attributes in A also has all attributes in B
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e.g. if X has feather and has beak then is a bird
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The implication determines the concept lattice up to isomorphism and therefore offers an additional interpretation of the lattice structure
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Implications can be used for a step-wise construction of conceputal knowledge
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