Top Posters
Since Sunday
g
3
3
2
J
2
p
2
m
2
h
2
s
2
r
2
d
2
l
2
a
2
New Topic  
jtfortwengler jtfortwengler
wrote...
Posts: 143
Rep: 0 0
A year ago
Consider this proof, (1.) E • [ ~ I • (~ D v I)] /∴ ~ D v F (2.) [ ~ I • (~ D v I)] • E (3.( ~ I • (~ D v I) (4.) ~ I (5.) (~ D v I) • ~ I (6.) ~ D v I (7.) ~ D (8.) ~ D v F What is the justification for line 3?

▸ 2 Simp

▸ 1, 2 Com

▸ 1, 3 MP
Textbook 
How to Think Logically

How to Think Logically


Edition: 2nd
Authors:
Read 41 times
1 Reply
Replies
Answer verified by a subject expert
dhk72dhk72
wrote...
Posts: 148
Rep: 0 0
A year ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

jtfortwengler Author
wrote...

A year ago
Thank you, thank you, thank you!
wrote...

Yesterday
Thanks
wrote...

2 hours ago
Thanks
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  928 People Browsing
 154 Signed Up Today
Related Images
  
 4423
  
 184
  
 160
Your Opinion
What percentage of nature vs. nurture dictates human intelligence?
Votes: 431