25 Answered Questions for the topic Logic Problem
Introduction to Logic
USE THE FIRST FOUR RULES OF INFERENCE TO DERIVE THE CONCLUSIONS OF THE FOLLOWING SYMBOLIZED ARGUMENTS.EXAMPLES:(1) 1. ∼C ⊃ (A ⊃ C) 2. ∼C / ∼A 3. A ⊃ C 1,2 MP4. ∼A 2,3 MT(2) 1. F ∨ (D ⊃ T) 2.... more
Natural Deduction in Propositional Logic Help?
Use the first four rules of inference to derive the conclusions of the following symbolized arguments. Please Help! Thanks (4) 1. P ⊃ (G ⊃ T) 2. Q ⊃ (T ⊃ E)3. P4. Q / G ⊃ E (5) 1. ∼W ⊃ [∼W ⊃ (X ⊃... more
LSAT Logic Game HELP
A New York insurance company has six account managers each of whom has a different number of children from none to five. Deduce from the following:A. who has what number of childrenB. the account... more
grocery store problem
Four friends (one is named Sara) drove to the grocery store to buy their favorite food and drink. Two sat in the front seat, and two sat in the back seat. Each bought a different food (one bought... more
Logic Problem Word Problem
A logic question!
A health company is to see 14 new patients per week. Each patient will be a part of a 12 week program whereby they see a specialist every other week for an hour. Over the year, what is the maximum... more
negate: All cows eat grass.
negating sentences in graduate math
This is a coding question. However, I do not require the answer in code. I just need help in figuring out the math behind this question.
You are a professional robber planning to rob houses along a street. Each house has a certain amount of money stashed, the only constraint stopping you from robbing each of them is that adjacent... more
Amnesty Week Lodgic Problem
Some Libraries periodically have an "Amnesty Week," during which people can bring back overdue books without paying a fine. Last month, five patrons of the Teaneck Public Library took advantage of... more
What is the maximum number of friends who could appear in a photo that Fiona does not appear in?
An album contains photos picturing 7 friends: Al, Billy, Christina,Delores, Ed, Fiona, and Gloria. The friends appear either alone or in groups with one another, in accordance with the following:... more
How do I show that [p ? (q ? r)] = [p ^(¬r) ? (¬q)]
[p ⇒ (q ⇒ r)] = [p ^(¬r) ⇒ (¬q)]
A man lived in the 19th century and said " I was x years old when in the year x^2. In what year he was born
August De Morgan lived in the nineteenth century. He made the statement : I was x years old when in the year x^2." In what year was he born?
Proof by contrapositive: If n is even, then 2(n) is also even.
The contrapositive would be: If 2(n) is odd, then n is odd. What is wrong with my logic? The first statement is obviously true, and the second one is obviously false. I know it must be... more
store mark up wholesale item 30% later have sale mark down 30% from retail price
walmart wholesale item marked up 30%, later have a sale and mark down 30% from retail price did he break even
A person is to select a gizmo from a bag. Each gizmo is labelled a number 1 to 100 and weighs the same number of ounces as the number. What is the probability o
Please help me
Can anyone help me with this? I'm suppose to use resolution to prove that [(p ? q) ^ (q ? (r ^ s))] ? (p ? s)
I have to use resolution to prove these inferences are valid [(p → q) ^ (q → (r ^ s))] → (p → s) ?
Simple Logic Questions, please help!
I have a question about this statement below, let say if the startdate is 1/1/2013 and the enddate is 2/1/2013, the month is less than 6 months. Then the startdate changed to 8/1/2012. But what if... more
Natural Deduction in Propositional Logic Help?
Use the first four rules of inference to derive the conclusions of the following symbolized arguments. (please please help. And explanation would be nice too!) (1) 1. ~C>(A>C) 2. ~C /~A (2.)... more
algebra 1/2 question
Of the 200 parking spaces in a parking lot, 4% of the spaces are reserved for handicapped parking, and 12 of the non handicapped spaces are suitable for compact cars only. How many spaces that are... more
Logic Problem Logic
A library has 2 books for every 5 resident. how many books do they need for a population of 12455 people?
This can eithe ne 24,910 or 4982 books
It is summer and there is no snow.” Write, in words, the negation of this compound statement. (Hint: Use De Morgan’s laws.)
Need help with this
LOGIC SYMBOLISM HELP!
Consider the following translation scheme:Use symbols to translateA: The American team will win a gold medal.B: The British team will win a gold medal.C: The Canadian team will win a gold... more
Can you identify if these are arguments or not?
1. Fictional characters behave according to the same psychological probabilitiesas real people. But the characters of ?ction are found in exotic dilemmas that real people hardly encounter.... more
Hard Question from UMD Math Competition 2014
There are three underground gopher nests in a field; call them A, B, C. There are tunnels between A and B, between A and C, and between B and C. A gopher counts that there are 89 ways to get from A... more
Logic Problem Algorithm
Long logic question from UMD math competition
There are 11 ants on a ruler. Each ant is on an inch marker (1 - 12). The ants on the left side of the ruler, on numbers 1-6, are crawling toward the right end of the ruler (towards 12). Ants on... more
How can you bring exactly 2 liters of water from a pond when you have only a 7 liter and 4 liter pail?
I need to know how to be able to get 2 liters of water out of a 7 liter pail and 4 liter pail? Have been trying to figure it out for a long time but can't come up with the answer really need help.