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Logic
Page 4
Questions (643)
On a certain island there live only knights, who always tell the truth, and knaves, who always lie.
One day you find 10 island
3 answers
asked by
unowen
946 views
If Tom is taller than Mary ,and Mary is taller than Ann ,who was the shortest ?
4 answers
asked by
Maria
2,090 views
Write a negation for the following statement:
For all x , if x ∈ A ∩ B then x ∈ B.
1 answer
asked by
Mark
412 views
Create the logic for a program that accepts input values for the projected cost of a vacation and the number
of months until
1 answer
asked by
alex
420 views
Prove the demorgans second law (anb)'=(a'ub'). Sho that au(bnc)=(aub)n(auc).
1 answer
asked by
Bulama dgn
387 views
Am not understanding , how to do the truth or Venn diagram to show a statement pv(q^r)is equivalent to (pvq)^(pvr). How can I
2 answers
asked by
Monique
621 views
Which type of faulty logic appears in this sentence?
Dr. Bishop has never performed a surgery before, so he must not be equipped
2 answers
asked by
marissa
817 views
Identify the form of the following argument. Either the Pacers or the Kings will win tonight. The Pacers will win. Therefore,
1 answer
asked by
david
432 views
P, Q, R = 1
x, Y, Z = 0 _____ 1) ~(x.y) V (R.Q)
1 answer
asked by
alex
306 views
exercise 5.8
write an informal proof of Premises: LeftOf(a,b) | RightOf(a,b) BackOf(a,b) | ~Leftof(a,b) FrontOf(b,a) |
1 answer
asked by
Anna
412 views
Hi,
How would you go about showing that the proposition below is a tautology using algebraic manipulation of logical equivalences
1 answer
asked by
Kylo Ren
394 views
Hi,
How would you go about showing that the proposition below is a tautology using algebraic manipulation of logical equivalences
1 answer
asked by
Kylo Ren
387 views
now write the biconditional for the statement remember to use the phrase if and only if to combine the orginal statement and its
3 answers
asked anonymously
54 views
write the biconditional for p then q if q then p remember to use the phrase if and only if to combine the orginal statement and
3 answers
asked anonymously
42 views
now write the biconditional for the statement remember to use the phrase if and only if to combine the orginal statement and its
3 answers
asked anonymously
55 views
Convert the following formula to conjunctive normal form (clause form). a)
a ≡ (b ≡ c) is the answer (a כ(( b כ c) ^ (c כ
5 answers
asked by
melvin
497 views
Convert the following formula to conjunctive normal form (clause form). a)
a ≡ (b ≡ c) is the answer (a כ(( b כ c) ^ (c כ
1 answer
asked by
melvin
407 views
If you have a inductive argument, and you're evaluating if the conclusion is valid or not, if you can figure out a different
1 answer
asked by
Dan
365 views
How do I determine if an inference is inductively valid or not?
1 answer
asked by
Mike
321 views
Conditional Proofs
1. P>Q 2. R>Q conclusion is (PvR)>Q
1 answer
asked by
Mai
351 views
Create the logic for a program that accepts inputs value for the projected cost of a vacation and the number of months until
1 answer
asked by
Kathy
455 views
1.How are the two statements given below related to each other?
x: if you run for 10 minutes, then you will raise your heart
1 answer
asked by
Tim
420 views
Explain the method of constructing karnaugh maps.
1 answer
asked by
nakul
303 views
I have to come up with a logical statement when making a truth table that has these conditions:
The statement is always false if
2 answers
asked by
Anonymous
1,022 views
Give the negation of the statement
∃! x ∈ U [P (x)].
1 answer
asked by
Anonymous
424 views
So, the question I got was:
∀x,(x =/= 0) → (∃!y, xy = 1) I'm really confused about what the "∃!y" means in this context,
1 answer
asked by
N
471 views
Which type of faulty logic does this sentence contain?
Although the cheeseburger is the most sought-after item on our menu, it is
2 answers
asked by
Alissa
725 views
Use Propositional Resolution to show that the clauses {p, q}, {¬p, r}, {¬p, ¬r}, {p, ¬q} are not simultaneously satisfiable.
1 answer
asked by
qwerty
701 views
Consider the statement:
If two whole numbers are even, then their sum is odd. What assumption should be made to prove the
6 answers
asked by
Skye
1,215 views
What is the hypothesis of the conditional statement?
If you are not there, then I will leave. A-you are there B- you are not
7 answers
asked by
Skye
1,432 views
Show that the following conditional statement is a tautology
without using truth tables.[ p ^ ( p ! q )] ! q 8. Without the use
1 answer
asked by
Tefo sello
723 views
Show that "¬p Λ q is logically equivalent to p → ¬q" . I'm not sure if the conditional identity is correct, but what I did
4 answers
asked by
Luke
736 views
Which statement best illustrate a logical tautology
2 answers
asked by
sarah
932 views
3. Create the logic for a program that accepts input values for the projected cost of a vacation and the number of months until
1 answer
asked by
jeff
497 views
What is the converse of the following conditional statement. Determine the truth value of the converse. If it is false, then
7 answers
asked by
L0singMyM!nd
87 views
What is the converse of the following conditional statement. Determine the truth value of the converse. If it is false, then
3 answers
asked anonymously
97 views
Calculate the truth value (f or V)
a. Is it true that if (the Papaya is a fruit from the Caricaseas or the Pitahaya is the fruit
1 answer
asked by
JuanPro
405 views
Is using examples to form a conclusion deductive?
11 answers
asked by
JustGoWoahh-ohhh
85 views
This is the name for the reasons that one presents to support a conclusion. (Points : 1)
Proposals Premises Deductions Inductions
1 answer
asked by
NINA
317 views
"~ P v Q" is best read as (Points : 1)
1 answer
asked by
Anonymous
325 views
Describe the difference between inductive and deductive reasoning.
3 answers
asked anonymously
80 views
If P is true, and Q is false, the truth-value of "P v Q" is (Points : 1)
false. true. Cannot be determined All of the above
1 answer
asked by
Nina
454 views
If an argument does not commit a fallacy, it is
A.necessarily valid. B.necessarily sound. C.Not enough information to determine
1 answer
asked by
Nina
419 views
True or false
2 answers
asked by
Amy
43 views
What is the premise, conclusion, assumption and counter argument if applicable.
I guess Thork doesn’t have a thing to do. Why
2 answers
asked by
shannon
570 views
Having trouble with these two
1. 1 ~J 2 (B ⊃ M) ⊃ (~J ⊃ B) 3 ~J ⊃ (B ⊃ M) / B 2. 1 ~L 2 V v (A v L) 3 (V v A) ⊃ ~V /
1 answer
asked by
Rick
297 views
p v q is the best interpreted as
1 answer
asked by
Anonymous
248 views
Natural Deduction Proof
1. 1 ~Y ⇒ ~L 2 W v ~Y 3 W ⇒ ~B / ~B v ~L 2. 1 ~U • (G = ~T) 2 (~U v D) ⇒ (W • ~R) / W • ~U 3.
1 answer
asked by
Rick
280 views
Determine whether the given argument is valid:
If Socrates was a philosopher, then he wasn’t a historian. Socrates was a
1 answer
asked by
Rita
380 views
10 men are fishing in a row boat. The center is empty. The 5 men need to swap places. A man can move to his seat if it is empty
1 answer
asked by
Lucky
385 views
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