Concept explainers
a.
To prove the remaining parts of theorem 6.4.1.
a.
Explanation of Solution
Consider
Consider
Consider
Consider,
As
Consider,
Therefore
Hence the theorem is proved.
b.
To prove the remaining parts of theorem 6.4.1.
b.
Explanation of Solution
Consider
Consider
Let
Therefore,
By left cancellation law,
Therefore,
Hence the theorem is proved.
c.
To prove the remaining parts of theorem 6.4.1.
c.
Explanation of Solution
Consider
Consider
Consider,
Therefore,
And
As
Therefore,
Thus,
Hence the theorem is proved.
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Chapter 6 Solutions
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