400 Answered Questions for the topic logic

19d

#### 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... more
Logic

06/19/22

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... more

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:=... more

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... more

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... more

05/23/22

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... more

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]... more

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?

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... more

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... more
Logic

02/17/22

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,... more
Logic

12/16/21

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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