Question

Let P be a locally finite partially ordered set with zero element 0. If f and g are
functions from P to the field F then show that

g(x) = summation over y <= x (f(y) )= f(x) = summation over y <= x (g(y)) μ(y, x)

where μ denotes Möbius function.
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Answer 1

Answer:

pehle ye bata jaale to betadine lagae ya ignoine

Step-by-step explanation:

must

Answer 2

Answer:

out of control

but mind beloving