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Mathematics 7 Online
OpenStudy (anonymous):

A tautology is: A. always false B. always true C. sometimes true D. sometimes false

OpenStudy (anonymous):

I'll just leave this here. http://xkcd.com/703/

OpenStudy (anonymous):

i cant open it cause of the schools security system

OpenStudy (anonymous):

That's tragic. Look at it later.

OpenStudy (anonymous):

do u know the answer?

OpenStudy (anonymous):

Or, wait. Here we go.

OpenStudy (anonymous):

I got you this.

OpenStudy (anonymous):

i dont understand?

OpenStudy (anonymous):

A tautology is a tautology.

OpenStudy (anonymous):

a tautology is always true on logical ground. for example: ((p->g)^(g->q))->(p->q) is a tautology since for all cases of p, g, q(eg. p is true, q and g is false) the statement is true. :D

OpenStudy (anonymous):

so answer is B.

OpenStudy (anonymous):

^ is for "and"

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