Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Transcribed Image Text:18. What can you deduce about the sets X and Y if you know,
a. there is an injective function f: X Y? Explain.
b. there is a surjective functionf:X
Y? Explain.
c. there is a bijective function f: XY? Explain.
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