Question

Prove or give a counter-example: (a) if R ⊂ S and T ⊂ U then T\...

Prove or give a counter-example:

(a) if R ⊂ S and T ⊂ U then T\ S ⊂ U \R.

(b) if R∪S⊂T∪U, R∩S= Ø and T⊂ R, then S ⊂ U.

(c) if R ∩ S⊂T ∩ S then R⊂T.

(d) R\ (S\T)=(R\S) \ T

Homework Answers

Answer #1

.

If you have any doubt or need more clarification at any step please comment.

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Prove or give a counter example: If f is continuous on R and differentiable on R...
Prove or give a counter example: If f is continuous on R and differentiable on R ∖ { 0 } with lim x → 0 f ′ ( x ) = L , then f is differentiable on R .
Prove this statement or show why it's false (provide a counter example) ∀x(R(x) ∨ S(x)) →...
Prove this statement or show why it's false (provide a counter example) ∀x(R(x) ∨ S(x)) → (∃xR(x) ∨ ∃yS(y))
Prove or give a counter example for "If E1 and E2 are independent, then they are...
Prove or give a counter example for "If E1 and E2 are independent, then they are conditionally independent given F."
Let S and T be nonempty subsets of R with the following property: s ≤ t...
Let S and T be nonempty subsets of R with the following property: s ≤ t for all s ∈ S and t ∈ T. (a) Show that S is bounded above and T is bounded below. (b) Prove supS ≤ inf T . (c) Given an example of such sets S and T where S ∩ T is nonempty. (d) Give an example of sets S and T where supS = infT and S ∩T is the empty set....
Are any of the following implications always true? Prove or give a counter-example. a) f(n) =...
Are any of the following implications always true? Prove or give a counter-example. a) f(n) = Θ(g(n)) -> f(n) = cg(n) + o(g(n)), for some real constant c > 0. *(little o in here) b) f(n) = Θ(g(n)) -> f(n) = cg(n) + O(g(n)), for some real constant c > 0. *(big O in here)
Give an counter example or explain why those are false a) every linearly independent subset of...
Give an counter example or explain why those are false a) every linearly independent subset of a vector space V is a basis for V b) If S is a finite set of vectors of a vector space V and v ⊄span{S}, then S U{v} is linearly independent c) Given two sets of vectors S1 and S2, if span(S1) =Span(S2), then S1=S2 d) Every linearly dependent set contains the zero vector
Evaluate s(t)=∫t−∞||r′(u)||dus(t)=∫−∞t||r′(u)||du for the Bernoulli spiral r(t)=〈etcos(4t),etsin(4t)〉r(t)=〈etcos⁡(4t),etsin⁡(4t)〉. It is convenient to take −∞−∞ as the lower...
Evaluate s(t)=∫t−∞||r′(u)||dus(t)=∫−∞t||r′(u)||du for the Bernoulli spiral r(t)=〈etcos(4t),etsin(4t)〉r(t)=〈etcos⁡(4t),etsin⁡(4t)〉. It is convenient to take −∞−∞ as the lower limit since s(−∞)=0s(−∞)=0. Then use ss to obtain an arc length parametrization of r(t)r(t). r1(s)=〈r1(s)=〈  , 〉
Suppose that S ⊆ R and T ⊆ R and both S and T are compact....
Suppose that S ⊆ R and T ⊆ R and both S and T are compact. Prove that S ∩ T is compact.
8. Let G = GL2(R). (Tables are actually matrices) (a) Prove that T = { a...
8. Let G = GL2(R). (Tables are actually matrices) (a) Prove that T = { a 0 c d }| a, c, d ∈ R, ad ≠ 0) is a subgroup of G. (b) Prove that D = { a 0 0 d } | a, d ∈ R, ad ≠ 0) is a subgroup of G. (c) Prove that S = { a b c d } | a, b, c, d ∈ R, b = c ) is...
Question 3. Let a1,...,an ∈R. Prove that (a1 + a2 + ... + an)2 /n ≤...
Question 3. Let a1,...,an ∈R. Prove that (a1 + a2 + ... + an)2 /n ≤ (a1)2 + (a2)2 + ... + (an)2. Question 5. Let S ⊆R and T ⊆R be non-empty. Suppose that s ≤ t for all s ∈ S and t ∈ T. Prove that sup(S) ≤ inf(T). Question 6. Let S ⊆ R and T ⊆ R. Suppose that S is bounded above and T is bounded below. Let U = {t−s|t ∈ T, s...