Let A = Z+ Z+. Define a relation R on A as follows: For all (a, b) and (c, d) in A, (a
Chapter 8, Problem 44(choose chapter or problem)
Let A = \(\mathbf{Z}^{+} \times \mathbf{Z}^{+}\). Define a relation R on A as follows: For all (a, b) and (c, d) in A,
(a, b) R (c, d) \(\Leftrightarrow\) a + d = c + b.
a. Prove that R is reflexive.
b. Prove that R is symmetric.
c. Prove that R is transitive.
d. List five elements in [(1, 1)].
e. List five elements in [(3, 1)].
f. List five elements in [(1, 2)].
g. Describe the distinct equivalence classes of R.
Text Transcription:
Z^+ times Z^+
Leftrightarrow
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