Introduction to AI - Worksheet 7 EXERCISE: 1 (Representation in Natural Language) Represent the following semantic net in natural language: [inheritance.jpg] EXERCISE: 2 (Representation in First-Order Logic) Represent the following sentences in first-order logic: 1. John loves Mary. 2. John loves everybody who does not love Mary. 3. Everybody loves somebody. 4. Somebody loves everybody. 5. All humans are mortal. EXERCISE: 3 (Representation in Semantic Nets) Represent the relationships between quadrangle, parallelogram, rhombus, rectangle, and square in form of a semantic net. Represent in particular the circumferences. Note, there is no Worksheet 6, since in week 6 the assignment was handed out. _________________________________________________________________________________________________________ © Noel Welsh & Manfred Kerber, 2004, Introduction to AI 9.11.2004 The URL of this page is ftp://ftp.cs.bham.ac.uk/pub/authors/M.Kerber/Teaching/AI/e7.html. URL of module [1]http://www.cs.bham.ac.uk/~mmk/Teaching/AI/ References 1. http://www.cs.bham.ac.uk/~mmk/Teaching/AI/