QUESTION 1
What is the justification for line 5?
1. M v (D & L)
2.B --&...
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English, 16.10.2020 06:01 Lpryor8465
QUESTION 1
What is the justification for line 5?
1. M v (D & L)
2.B --> ~(MvL) /~B
3. ( M v D ) & ( M v L )
4. ( M v L ) & ( M v D )
5. M v L
6. ~ ~ ( M v L )
7. ~ B
QUESTION 2
Which rule justifies this step:
1. S v (T & R) /S v T
2. (S v T) & (S v R) 1,
QUESTION 3
Which rule justifies this step:
1. S v (T & Q)
2. (T & Q) v S 1,
QUESTION 4
What rule justifies this step?
1. S --> (P --> Q)
2. ~Q /~S (S & P)
3. (S & P) --> Q 1,-
QUESTION 5
What is the justification for line 4?
1. M v (D & L)
2.B --> ~(MvL) /~B
3. ( M v D ) & ( M v L )
4. ( M v L ) & ( M v D )
5. M v L
6. ~ ~ ( M v L )
7. ~ B
QUESTION 6
Which rule justifies this step:
1. P --> (R --> T)
2. (P & R) --> T 1,
QUESTION 7
Complete the proof.
1.P --> (Q & R)
2. ~Q & S /~P
QUESTION 8
Which rule justifies this step:
1. ~~(TvS)
2. T v S 1,
QUESTION 9
Complete the proof.
1. (S v I) --> ~E
2. (E & S) v (E & C) /C
QUESTION 10
Complete the proof.
1. ( P v Q ) --> ~ R
2. S & R /~P
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