Prove that if a subset

For sets A, B, C is a subset of U, prove or disprove (with a counter-example) the following: If A is a subset of B, B is not a
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2. asked by Ron
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(1)Given the sets A={a,b}, B={a,b,c},C= {b,c,d}. which of these sets are: (i) Equal (ii) Comparable (iii) Subset (2) Prove that
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2. asked by Matrix School 2
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Prove or provide a counterexample:For all sets A, B, C, if A is subset of B and B is a subset of C^c (complement of C), then A
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2. asked by David
3. 496 views
#1: Prove or provide a counterexample:For all sets A, B, C, if A is subset of B and B is a subset of C^c (complement of C), then
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2. asked by David
3. 422 views
#1: Prove or provide a counterexample:For all sets A, B, C, if A is subset of B and B is a subset of C^c (complement of C), then
1. 0 answers
2. asked by David
3. 396 views
Given the sets A=[a,b], B=[a,b,c], C=[b,c,d]Prove that if A is a subset of B and B is a subset of C then A is a subset of C
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2. asked by Matrix School 2
3. 498 views
Define A relation S for subset of R by S=[{A,B:ACR,B is improperSubset to R,[A/B]u[B/A]is finite prove that s is an equivalent
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2. asked by dapo
3. 471 views
#1: Prove or provide a counterexample:For all sets A, B, C, if A is subset of B and B is a subset of C^c (complement of C), then
1. 2 answers
2. asked by David
3. 366 views
Let F be a family of subsets of a set X such that empty set is the element of F. A subset A of X belongs to F1 if and only if
1. 2 answers
2. asked by sxxx123456
3. 686 views
Given: f(closure(A)) subset of closure(f(A))Prove: For any closed set A in Y, f^-1(A) is closed in X (AKA f is continuous) X and
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2. asked by gemma
3. 695 views