Question 513679: Also, for the first SLP I want you to put into practice what you have learned about sets and functions. I want you to create three sets, set A, set B, and set C by going through the items you use at work (or in your field).
Set A will be a list of all of these items.
Create Set B, from the items in Set A that you think are essential.
Create Set C, by taking the complement of Set B in Set A, i.e. all of the non-essential items.
Are sets B and C proper subsets of set A? Explain.
Found 2 solutions by stanbon, richard1234:
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! create three sets, set A, set B, and set C by going through the items you use at work (or in your field).
Set A will be a list of all of these items.:::{pen,pencil,snuff box}
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Create Set B, from the items in Set A that you think are essential.:::{pen,pencil}
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Create Set C, by taking the complement of Set B in Set A, i.e. all of the non-essential items.:::{snuff box}
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Are sets B and C proper subsets of set A? Explain.
Yes; Each element of B is an element of A but B is not equal to A
Yes; Each each element of C is an element of A but C is not equal to A
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Cheers,
Stan H.
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Answer by richard1234(7193)  (Show Source):
You can put this solution on YOUR website! You seem to phrase your question such that I am the student and I am new to sets. No need to do that.
Anyway, suppose you are a biologist studying the regeneration properties of planaria. Your set A could consist of items you use while experimenting (e.g. planaria, a microscope, Petri dishes, etc.) while set B could consist of items you use outside of the experiment (a journal, computer, etc.). B and C are still considered proper subsets of A because each subset contains at least one element.
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