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OpenStudy (anonymous):
Which of the following disjunctions is false?
4 - 3 = 2 or 6 · 3 = 9
5 · 6 = 30 or 3 + 4 = 7
8 + 3 = 11 or 5 · 4 = 23
7 + 6 = 13 or 5 · 2 = 10
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OpenStudy (anonymous):
@shamim
OpenStudy (zzr0ck3r):
is the statement 4-3=2 true?
OpenStudy (anonymous):
no
OpenStudy (zzr0ck3r):
is the statement 6*3 = 9 true?
OpenStudy (anonymous):
no
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OpenStudy (zzr0ck3r):
so for (A or B) to be a true statement, at least one of them need to be true
OpenStudy (anonymous):
correct so its the first one right?
OpenStudy (zzr0ck3r):
well have we demonstrated that it is not the case that at least one of them are true?
OpenStudy (zzr0ck3r):
then the statement must be false
OpenStudy (anonymous):
thank you
wbu this one
Select the term that best describes the statement:
It's raining or it's windy.
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OpenStudy (anonymous):
negation
conjunction
disjunction
conditional
OpenStudy (zzr0ck3r):
what do you think?
OpenStudy (zzr0ck3r):
if you easily look up the meaning of each of those terms you will easily find the answer
OpenStudy (anonymous):
disjunction?
OpenStudy (zzr0ck3r):
hint: the last question sort of tells you the answer
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OpenStudy (zzr0ck3r):
correct
OpenStudy (anonymous):
thank you!!!!!!!
OpenStudy (zzr0ck3r):
np
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