What should go in the missing blank on line 5 in order to correctly complete this inference rule proof of the proposition -(pA (p + (-g A r)) A ((-Ar) + q))? 1. [PA (p → (-aA r)) A ((-q^r) → q)] 2. 3. 4. (4 v B) +d 5. ??? 6. 7. 8. False -(pA (p + (-gAr)) ^ ((-g ^r) + 9)) 9. Missing line: (4v b-)-O Or OpV -g
What should go in the missing blank on line 5 in order to correctly complete this inference rule proof of the proposition -(pA (p + (-g A r)) A ((-Ar) + q))? 1. [PA (p → (-aA r)) A ((-q^r) → q)] 2. 3. 4. (4 v B) +d 5. ??? 6. 7. 8. False -(pA (p + (-gAr)) ^ ((-g ^r) + 9)) 9. Missing line: (4v b-)-O Or OpV -g
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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![What should go in the missing blank on line 5 in order to correctiy complete this inference rule
proof of the proposition -(pA (p + (-q ^r)) A ((¬q^r) -+q))?
1.
2.
3.
4.
5.
6.
7.
8.
9.
[pA (p → (-g Ar)) A ((-q^r) → q)]
P
(d v b) +d
???
(-Ar)
False
-(p^ (p → (-qAr) ^ ((-q ^ r) → 9))
Missing line:
Or
(4 v b-)- O
OpV-q](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F986cec42-b4a1-4407-abf6-928a9e453485%2Fa45f4eb7-cca7-4e00-947f-c0e988e867f5%2Fjyf9pk_processed.jpeg&w=3840&q=75)
Transcribed Image Text:What should go in the missing blank on line 5 in order to correctiy complete this inference rule
proof of the proposition -(pA (p + (-q ^r)) A ((¬q^r) -+q))?
1.
2.
3.
4.
5.
6.
7.
8.
9.
[pA (p → (-g Ar)) A ((-q^r) → q)]
P
(d v b) +d
???
(-Ar)
False
-(p^ (p → (-qAr) ^ ((-q ^ r) → 9))
Missing line:
Or
(4 v b-)- O
OpV-q
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