Question: Specialization of conceptual graphs using join and restrict is not a truth-preserving operation. Give an example that demonstrates that the restriction of a true graph

Specialization of conceptual graphs using join and restrict is not a truth-preserving operation. Give an example that demonstrates that the restriction of a true graph is not necessarily true. However, the generalization of a true graph is always true; prove this.

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Consider the example of g2 and g3 of Figure 722 Since all ... View full answer

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