322 Answered Questions for the topic logic

Logic Philosophy

12/17/20

Prove that the following argument is valid in QL: ∃x[~Bxm& ∀y(Cy → ~Gxy)], ∀z[~∀y(Wy →Gzy) → Bzm], ∴∀x(Cx → ~Wx)

General ways to approach and how to start would be greatly appreciated.

12/17/20

Is the following a valid argument: B v C, C v D, ∴A→C ? Why or why not? (see description for full question)

Imagine that you have a set of sentences in QL named A, B, C, and D, and assume that A and B are tautologies, C is contingent, and D is a contradiction. Is the following a valid argument: B v C, C... more
Logic

12/14/20

fallicy and illicit minor and major

20. All whales are mammals. All mammals are animals. Therefore, all animals are whales. a) fallacy of four terms b) illicit major c) illicit minor d) undistributed middle21. All terriers... more
Logic Math

12/14/20

Language Proof and Logic Exercise 36 On Fitch Proofs

Premise 1: A v BPremise 2: A v CGoal: A v (B and C)I'm having a very difficult time figuring out how to get the goal. Please explain step-by-step as to how I do so. Thank you.Here are the... more

11/22/20

2 candles in a supermarket

In the supermarket we can buy two different types of candles. · The first type is 20 𝑐𝑚 long when new and burns at a rate of 2.5 𝑚𝑚 per hour. · The second type is 24.5 𝑐𝑚 long when new... more
Logic Logic Pro

10/30/20

¬(p ⇒ q) and p ∧ ¬q

Show that the following pairs of propositions are logically equivalent.
Logic

10/27/20

Find the odd one out from the following: Ring, shoulder, finger, write

Answer this with explanation
Logic Logic Pro

10/19/20

Assume T is true (1), F is false (0) and U (?) is unknown, what is the value of the following? (∼F v U)

Assume T is true (1), F is false (0) and U (?) is unknown, what is the value of the following? (∼F v U)
Logic Logic Pro

10/19/20

Calculate the truth value for the wff (0 ≡ ∼1) ≡ (1 ⊃ 0)

Calculate the truth value for the wff(0 ≡ ∼1) ≡ (1 ⊃ 0)
Logic Logic Pro

10/19/20

Translate the following into propositional logic:

Translate the following into propositional logic:"Taking the final is necessary for you to pass." "She neither asserted it nor hinted at it.
Logic Psychology

10/19/20

Complete the form of the above argument:

"If it’s right for me to lie and not right for you, then there is a relevant difference between our cases. There is no relevant difference between our cases. It’s not right for you to lie.... more
Logic Psychology

10/19/20

According to its truth table, which property best characterizes it?  

For this statement,"Either a tax reduction is feasible only if both education costs do not increase and the welfare program is abolished, or a tax reduction is feasible and either the welfare... more
Logic Logic Pro

10/19/20

Select the best translation for this sentence into propositional logic.

A high school principal made this statement to the school board: "Either music is not dropped from the curriculum or the students will become cultural philistines; furthermore, the students will... more
Logic Logic Pro Logi

10/19/20

For this statement, "Either music is not dropped from the curriculum or the students will become cultural philistines; furthermore,

For this statement,"Either music is not dropped from the curriculum or the students will become cultural philistines; furthermore, the students will not become cultural philistines if and only if... more

10/15/20

Simplify the following expression using Boolean Rules

𝑥 = !𝐴.!𝐵.!𝐶 + !𝐴.𝐵.𝐶 + 𝐴.𝐵.𝐶 + 𝐴.!𝐵.!𝐶 + 𝐴.!𝐵.𝐶
Logic Formal Logic

10/13/20

Logic: Construct formal proofs for the following

1. A ⊃ (~B ⊃ ~A)⊢ A ⊃ B2. ~C⊢ (D ∧ C) ⊃ E3. F ⊃ GF ∨ (H ∧ G)⊢G4. ɪ ≡ JK ∨ ~J⊢ɪ ⊃ K

10/10/20

logic translation

Quantified Logic TranslationUsing the given the symbolization key, translate the following sentences. UD: people Bx: x is a baker. Jx: x is a judge. Px: x can make pâte à choux. Ux: x... more
Logic

10/10/20

Quantified Logic Translation

Using the given the symbolization key, translate the following sentences. UD: people Bx: x is a baker. Jx: x is a judge. Px: x can make pâte à choux. Ux: x lives under the sea. Sxy: x is... more
Logic Logic Pro

10/04/20

What is the truth value of the following compound wff?

(0 • 1) v 0 a.no truth value b.1 c. this is unsolvable d. 0 ----------------------((0 • 1) ⊃ (0 v (1 • 1)))  a. 1 b. This is not solvable c. 0 d. N Assuming that A=1, Z=0 and P is unknown, what is... more
Logic Logic Pro

10/04/20

"Saturn has rings and Neptune is windy, or Jupiter is massive"

"Saturn has rings and Neptune is windy, or Jupiter is massive"a. ((S • N) • J)b. ((S • N) v J)c.((S v N) • J)d. (S • (N v J))"Gary Trudeau penned humorous cartoons if and only if Jane Pauley... more
Logic Logic Pro

10/04/20

"Greg dreams of both Ferraris and Porsches."

What is the best propositional logic translation for the following? "Notre Dame raises tuition if Purdue does."a. (P ⊃ N) b. (N ⊃ c. (N ⊃ P) d.( ⊃ ) "Prozac relieves depression and Allegra combats... more
Logic Logic Pro

10/04/20

"Greg dreams of both Ferraris and Porsches."

What is the best propositional logic translation for the following? "Notre Dame raises tuition if Purdue does."a. (P ⊃ N) b. (N ⊃ c. (N ⊃ P) d.( ⊃ ) "Prozac relieves depression and Allegra combats... more

10/03/20

Discrete math help using Indirect proof and logic laws/rules of replacement

1) A → ( B ۸ C ) 2) B → ( D ۸ E ) _____________ Therefore A ۷ D Saw this question on my textbook and my teacher is not replying to my messages, please help if possible. more
Logic

10/03/20

Assuming that A=1, Z=0 and P is unknown, what is the truth value of the following compound wff?

Assuming that A=1, Z=0 and P is unknown, what is the truth value of the following compound wff? ((P ⊃ A) ⊃ Z)  

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