6. Indicate whether each of the following statements is True (T), or False (F). Explain your answers. a) The ideal generated by a subset S subset and equal R is the largest ideal of R that contains S...... b) There exists an integral domain with characteristic 4...... c) Every ring with unity has at least two units.......
6. Indicate whether each of the following statements is True (T), or False (F). Explain your answers. a) The ideal generated by a subset S subset and equal R is the largest ideal of R that contains S...... b) There exists an integral domain with characteristic 4...... c) Every ring with unity has at least two units.......
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter6: More On Rings
Section6.4: Maximal Ideals (optional)
Problem 26E: . a. Let, and . Show that and are only ideals of
and hence is a maximal ideal.
b. Show...
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6. Indicate whether each of the following statements is True (T), or False (F). Explain your
answers.
a) The ideal generated by a subset S subset and equal R is the largest ideal of R that contains S......
b) There exists an integral domain with characteristic 4......
c) Every ring with unity has at least two units.......
d) The characteristic of an infinite ring is zero......
e) If an ideal I of a ring R contains a unit of R, then I = R......
f) There exits 4 different subrings of Z10......
g) Ring homomorphisms preserve idempotents......
h) Cancellation laws hold for the commutative rings with unity.....
i) The union of two ideals is always an ideal.....
j) R is a field of quotients of Z.....
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