how many nonempty subsets does

Let f:A->B, where A and B are nonemptyProve that f(S1 - f(S2) is a proper subset of f(S1 -S2) fo all subsets S1 and S2 of A.
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2. asked by dreww1961
3. 709 views
Let f:A->B, where A and B are nonemptyProve that f(S1 - f(S2) is a proper subset of f(S1 -S2) fo all subsets S1 and S2 of A.
1. 0 answers
2. asked by dreww1961
3. 1,147 views
how many nonempty subsets does a set with ten elements have... my question is what is a non empty subset i know for regular its
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2. asked by math/subsets
3. 472 views
How many sets are subsets of set B?List the subsets of set B. Which are proper subsets? B= {1,2,3,4,5} would it be 5 subsets (1
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2. asked by Kristi
3. 954 views
Let f:A->B, where A and B are nonempty, and let T1 and T2 be subsets of B.a.Prove that f^-1(T1 U T2)= f^-1(T1) U f^-1(T2).
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2. asked by dreww1961
3. 630 views
How many subsets of a set with 100 elements have more than one element?The answer to your question is the number of all of the
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2. asked by eric
3. 1,086 views
How many subsets are there for the Set B = { z, t, v, x}? Include the empty set.How many subsets can be created from the set of
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2. asked by Moo
3. 555 views
How are the ideas of subsets and proper subsets used in counting to identify relationship between whole numbers?
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2. asked by tammy
3. 489 views
im having trouble with subsets..name the subsets to which the numbers belong 3/4 0 -6 square root of 7 5
1. 1 answer
2. asked by angie
3. 480 views
to which subsets of real numbers does the number -22 belong? all subsets that apply please
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2. 82 views