1. It is said that Hilbert once illustrated his contention that the undefined terms in a geometry should not have any inherent meaning by claiming that it should be possible to replace point by beer mug and line by table in the statements of the axioms. Consider three friends sitting around one table. Each person has one beer mug. At the moment all the beer mugs are resting on the table. Suppose we interpret point to mean beer mug, line to mean the table, and lie on to mean resting on. Is this a model for incidence geometry? Explain. Is this interpretation isomorphic to any of the examples in the text? 2. One-point geometry contains just one point and no line. Which incidence axioms does one-point geometry satisfy? Explain. Which parallel postulates does one-point geometry satisfy? Explain. 3. Consider a small mathematics department consisting of Professors Alexander, Bailey, Curtis, and Dudley with three committees: curriculum committee, personnel committee, and social committee. Interpret point to mean a member of the department, interpret line to be a departmental committee, and interpret lie on to mean that the faculty member is a member of the specified committee. (a) Suppose the committee memberships are as follows: Alexander, Bailey, and Curtis are on the curriculum committee; Alexander and Dudley are on the personnel
1. It is said that Hilbert once illustrated his contention that the undefined terms in a geometry should not have any inherent meaning by claiming that it should be possible to replace point by beer mug and line by table in the statements of the axioms. Consider three friends sitting around one table. Each person has one beer mug. At the moment all the beer mugs are resting on the table. Suppose we interpret point to mean beer mug, line to mean the table, and lie on to mean resting on. Is this a model for incidence geometry? Explain. Is this interpretation isomorphic to any of the examples in the text? 2. One-point geometry contains just one point and no line. Which incidence axioms does one-point geometry satisfy? Explain. Which parallel postulates does one-point geometry satisfy? Explain. 3. Consider a small mathematics department consisting of Professors Alexander, Bailey, Curtis, and Dudley with three committees: curriculum committee, personnel committee, and social committee. Interpret point to mean a member of the department, interpret line to be a departmental committee, and interpret lie on to mean that the faculty member is a member of the specified committee. (a) Suppose the committee memberships are as follows: Alexander, Bailey, and Curtis are on the curriculum committee; Alexander and Dudley are on the personnel
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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