Recent content by axellerate

Hello hello, I'm not looking just for an answer per say, but am also wondering the thought process in solving problems such as the following: Hopefully this doesn't take up too much of someones time. Determine whether the following equations are logically equivalent: 1) (∃x)( P(x) →...

Ok, this one exercise is really getting to me. Either I missed something, or our prof hasn't gone over any of this. I was hoping someone could decode this for me. Question: ____________________________________________________________________________...

HallsOfIvy, My friend used my account to post this. I am currently a Medical Student, and I have never encountered the Summation (Σ) sign. Knowing arithmetic is one thing; but understanding what the equations mean is another. You must be taught what the variables / letters etc... mean. One...

Summation Problems! Please Help! My geography prof assigned these... believe it or not. Its a quiz and its worth 5% of our mark. 1) Σi^4 = 1^xi Variables - n=4 x1=1 x2=6 x3=9 x4=17 (i think its 4) 2) (Σi^4=1^xi)^2 n=4 x1=3 x2=10 x3=9 x4=12 (i think this one is 4 also) 3) Σi^2= 1Σj^2 =...