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Mathematics 22 Online
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

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

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.

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

OpenStudy (zzr0ck3r):

correct

OpenStudy (anonymous):

thank you!!!!!!!

OpenStudy (zzr0ck3r):

np

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