Prove the following statements using natural deduction rules. 1. Give a natural deduction proof of P→R from hypothesis (P∨Q) →R. How does this differ from a proof of ((P∨Q)→R)→(P→R)? 2. Give a natural deduction proof of C→(A∨B)∧C from hypothesis A∨B. 3. Give a natural deduction proof for the following premises P→Q, R→¬Q, (S→¬P) →R and conclusion will be (¬T∨P) → (T→S)
Prove the following statements using natural deduction rules. 1. Give a natural deduction proof of P→R from hypothesis (P∨Q) →R. How does this differ from a proof of ((P∨Q)→R)→(P→R)? 2. Give a natural deduction proof of C→(A∨B)∧C from hypothesis A∨B. 3. Give a natural deduction proof for the following premises P→Q, R→¬Q, (S→¬P) →R and conclusion will be (¬T∨P) → (T→S)
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter10: Inequalities
Section10.3: Solving Problems Involving Inequalities
Problem 28E
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Prove the following statements using natural deduction rules.
1. Give a natural deduction proof of P→R from hypothesis (P∨Q) →R. How does this differ
from a proof of ((P∨Q)→R)→(P→R)?
2. Give a natural deduction proof of C→(A∨B)∧C from hypothesis A∨B.
3. Give a natural deduction proof for the following premises
P→Q, R→¬Q, (S→¬P) →R and conclusion will be (¬T∨P) → (T→S)
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