Constructing Truth Tables
- Thread starter trake83
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pka
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- Jan 29, 2005
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pka
Elite Member
- Joined
- Jan 29, 2005
- Messages
- 11,989
Where do you see anything in the OP about an exam?
Did you know there is a inexpensive Wolfram Alpha app for mobile phones?
I think the whole exam ideas should be rethought.
There is nothing in the OP about an exam. What I see is a request from somebody about "how do I determine..."
Your reply suggests having a machine do it.
My read is that this poster would like help in learning how to answer the question using paper and pencil, in order to be prepared for an exam; as many professors do not allow machines for completing exam questions.
No, I did not know that. Did you post this because you would like people to know that there's an easy app for accommodating students who desire to access Wolfram Alpha during exams?
(I think that I missed your point, here.)
This site provides a pretty good explanation on how to construct truth tables.
http://idiotsguides.com/static/quickguides/math/geometry-101-how-to-build-a-truth-table.html
First off, there should be four rows of truth values since there are two propositions (variables aka p and q)
p v q = p or q, so if at least one of p or q is true, then p v q is true, so p v q is only false when both p and q are false
the ---> is for conditional statements
it goes: hypothesis ---> conclusion
or if hyposthesis, then conclusion
as long as the conclusion is true, then the conditional statement will also be true, or if both the hypothesis and conclusion are false, then the conditional statement will also be true:
