Top Posters
Since Sunday
t
7
m
6
k
6
F
5
j
5
t
5
j
5
G
5
f
5
a
5
d
5
c
5
Home Q & A Board Humanities Religion and Philosophy
New Topic  
inkster inkster
wrote...
Go to Answer
Posts: 133
Rep: 0 0
2 years ago
Consider this proof, (1.) E • D (2.) ~ (E • D) ≡ O/∴ Ev~O (3.) [~ (E • D) ⊃ O] • [O ⊃ ~ (E • D)] (4.) [O ⊃ ~(E•D)]• [~(E•D) ⊃ O] (5.) O ⊃ ~ (E • D) (6.) ~ ~ (E • D) (7.) ~ O (8.) ~ O v E (9.) E v ~ O What is the justification for line 7?

▸ 5, 6 MT

▸ 5, 6 MO

▸ 3, 6 HS
Textbook 
How to Think Logically

How to Think Logically


Edition: 2nd
Authors:
Read 50 times
1 Reply
Replies
Answer verified by a subject expert
CrazyW27CrazyW27
wrote...
#1
Posts: 157
Rep: 1 0
2 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

inkster Author
wrote...

2 years ago
Thanks
Lawson1981
wrote...

Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
my life
wrote...

2 hours ago
You make an excellent tutor!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1082 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 128
  
 169
  
 846
Your Opinion
Where do you get your textbooks?
Votes: 422
Previous poll results: Should Ph.D.'s be addressed as doctors?