400 Answered Questions for the topic logic
Did I Get This Simple Math Average Problem Right?
Hi! I need to find students to fill a classroom with. There are 2 classes that I need to fill 50% of each class and 7 classes that I need to fill 33.3% of each class. Overall, what is the average...
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Logic
06/19/22
How do you even start with this problem ?
It's been 2 hours that i am searching everywhere for an idea on how to start on this problem, so i come here to ask for help as i can't grasp the idea behind it. Considering the Signature Σ = (C...
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06/07/22
Hoare logic rules
using repeated addition, where a and b are any two arbitrary numbers. Prove the program is correct using Hoare logic inference rules (precondition and postcondition have been given).{b>=0}x:=...
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05/23/22
Find the expansion base 7 of 67 and Compute (37^15 + 27 × 43) mod 6 using modular arithmetic.
Find the expansion base 7 of 67Compute (3715 + 27 × 43) mod 6 using modular arithmetic (without the use of a calculator). Show all your work.
05/23/22
Check whether the following integers are multiplicative inverses of 3 mod 5.
Check whether the following integers are multiplicative inverses of 3 mod 5. a) 6 b) 7
05/23/22
We want to find 8 in the following list: 2, 6, 5, 1, 11, 18, 8, 0.
We want to find 8 in the following list: 2, 6, 5, 1, 11, 18, 8, 0.a) Can we use Binary Search Algorithm? Justify your answer. b) If a Linear Search Algorithm is used to find 8, how many comparison...
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05/23/22
Look at the following algorithm:
Look at the following algorithm:Input: n: real numberOutput: undisclosed
procedure x(n)
t := 1
For i := 3 to n
t := t + n
End-for
Return(t)
What is returned by the algorithm on the input 7, i.e. n...
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05/23/22
Determine which statements are false or true. Justify your answer.
Determine which statements are false or true. Justify your answer.(a) {0, 1} ∈ {0, {0}, {1}, 1} (b) {a, b, c} ⊂ {a, {a, b}, c, {a, c}, {{{a, b, c}}}} (c) ∅ ⊆ {a, b, c} (d) {1} ∈ {{1}, 0, {{1}}}
05/23/22
Let f(x) = 4x - 7 and g(x) = 6 - 2x where f(x) : R → R, and g(x) : R → R. Find (f ◦ g)(x).
Let f(x) = 4x - 7 and g(x) = 6 - 2x where f(x) : R → R, and g(x) : R → R. Find (f ◦ g)(x).
05/23/22
Determine whether the function f(x) = 8 − 2x^2 , where f(x) : R → R, is bijective and explain why.
Determine whether the function f(x) = 8 − 2x2 , where f(x) : R → R, is bijective and explain why.
05/23/22
For the sets A = {a, b, c, d, e}, B = {a, c, e, g, n}, C = {b, c, d, e, n, w} and the universal set is U = {a, b, c, d, e, g, n, w}. Find
For the sets A = {a, b, c, d, e}, B = {a, c, e, g, n}, C = {b, c, d, e, n, w} and the universal set is U = {a, b, c, d, e, g, n, w}. Find (a) |A ∩ B ∩ C| (b) C¯(c) A¯∪(B − C)
05/23/22
Rewrite the statement ¬∃x (∀y∃tS(x, y, t) ∧ ∃tR(x, t)) so that negations appear only within predicates.
Rewrite the statement ¬∃x (∀y∃tS(x, y, t) ∧ ∃tR(x, t)) so that negations appear only within predicates.
04/07/22
Microinstructions code phrases.
Suppose you come across the following binary microinstructions in the format described in class. Describe the micro-operations that each one executes. Write the phrases for each.1. 0001 0001...
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Logic
04/07/22
Consider two subsets P and Q of a universal set U. Given that n(U) = 104, n(P) = 63, n(P'∩Q) = 28 and n(P∩Q) = 16, find: (a) n(Q)
03/18/22
How to use natural deduction to prove a statement.
Prove the following statement using natural deduction rules (such as conjunction elimination, implication introduction, etc.)[(p ∧ q) ∨ (p ∧ r)] ⊢ [p ∧ (q ∨ r)]
03/18/22
How to use natural deduction to prove a statement.
Prove the following statements using natural deduction rules (such as conjunction elimination, implication introduction, etc.)a. [(p ∧ q) ∨ (p ∧ r)] ⊢ [p ∧ (q ∨ r)]b. [¬p, p ∨ q] ⊢ [q]c. [¬p ∧ ¬q]...
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03/18/22
What is the last digit of 3 raise to 278,885
What is the last digit of 3278,885?a. 3b. 9c. 7d. 1I have answered a) 3. Am I correct?
Logic Binary Operations
03/16/22
Which of the Following is a Binary Operation if a and b are in S?
Which of the Following is a Binary Operation if a and b are in S?a. a*b = ab + b2, S = set of negative numbersb a*b = square root of a+b ; S = set of positive numbersc a*b = ab-a; S = set of real...
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03/05/22
Find the missing base
Find the missing base.Write your answer as a whole number.a3 =27I've tried a few different methods but none work right please help!!!kind of in home school as in I teach myself a lot of the stuff...
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Logic
02/17/22
Why is a bowl more useful when empty?
Logic
02/14/22
On the island of knights and knaves
On the island of knights and knaves you come across a group of 30 people wearing tags numbered 1 to 30. Person 1 says exactly one of us is a knave. Person 2 says exactly two of us are knaves,...
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Logic
12/16/21
Derivation help please!!!
I'm racking my brains out trying to remember!!!!!!! It looks so simple but I'm totally lost??? please help!!!(Ǝx)Rx answer:(Ǝx)(Rx v Dx)
Logic Philosophy
12/16/21
help with this derivation
need help with this one derivation problem please and thank[(Ǝx)Cx v Fa) > (∀y)Hy,(Ǝx)Cx] |- (∀y)Hy v (Ǝz)Kz
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