Question
Answered step-by-step
MegaPrairieDogMaster856
Question 11 Consider the following derivation (it is complete,…
Question 11
Consider the following derivation (it is complete, but the line justifications are not filled in):
1. A ? (A ? B) P + A ? B
2. A
3. A ? B
4. B
5. A ? B
What is the line justification for line 4?
Group of answer choices
?E 1,3
?E 2,3
?E 2,3
?E 1,3
Question 12
Consider the following derivation (it is complete, but the line justifications are not filled in):
1. A ? (A ? B) P + A ? B
2. A
3. A ? B
4. B
5. A ? B
What is the line justification for line 5?
Group of answer choices
?I 2-4
?E 2-4
?E 1,2
?I 1-5
Question 13
Consider the following derivation (it is complete, but the line justifications are not filled in):
1. A P + C ? (B ? A)
2. C
3. B
4. A
5. B ? A
6. C ? (B ? A)
What is the line justification for line 2?
Group of answer choices
for reductio
want C ? (B ? A)
want B ? A
want A
Question 14
Consider the following derivation (it is complete, but the line justifications are not filled in):
1. A P + C ? (B ? A)
2. C
3. B
4. A
5. B ? A
6. C ? (B ? A)
What is the line justification for line 3?
Group of answer choices
want C ? (B ? A)
want A
want B ? A
MT 1,2
Question 15
Consider the following derivation (it is complete, but the line justifications are not filled in):
1. A P + C ? (B ? A)
2. C
3. B
4. A
5. B ? A
6. C ? (B ? A)
What is the line justification for line 4?
Group of answer choices
?I 1-3
R1
for reductio
want C ? (B ? A)
Question 16
Consider the following derivation (it is complete, but the line justifications are not filled in):
1. A P + C ? (B ? A)
2. C
3. B
4. A
5. B ? A
6. C ? (B ? A)
What is the line justification for line 5?
Group of answer choices
?I 2-5
want C ? (B ? A)
?I 1-6
?I 3-4
Question 17
Consider the following derivation (it is complete, but the line justifications are not filled in):
1. A P + C ? (B ? A)
2. C
3. B
4. A
5. B ? A
6. C ? (B ? A)
What is the line justification for line 6?
Group of answer choices
?E 2,5
?I 1-5
?E 1,3
?I 2-5
Question 18
Consider the following derivation (it is complete, but the line justifications are not filled in):
1. A & ~ B P + ~ ( A ? B )
2. A
3. A ? B
4. B
5. ~B
6. ~ ( A ? B )
What is the line justification for line 2?
Group of answer choices
&I 1
&E 1
want ~B
for reductio
Question 19
Consider the following derivation (it is complete, but the line justifications are not filled in):
1. A & ~ B P + ~ ( A ? B )
2. A
3. A ? B
4. B
5. ~B
6. ~ ( A ? B )
What is the line justification for line 3?
Group of answer choices
for reductio
want ~( A ? B )
&E 1
? I 2
Question 20
Consider the following derivation (it is complete, but the line justifications are not filled in):
1. A & ~ B P + ~ ( A ? B )
2. A
3. A ? B
4. B
5. ~B
6. ~ ( A ? B )
What is the line justification for line 4?
Group of answer choices
?E 2,3
want ~B
?E 2
?I 1-3
