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Some help with this sequence proof would be appreciated!
Let x-sub-j from j=1 to infinity and y-sub-j from j=1 to infinity be sequences in the Integers, and let a,b,c in the Integers be such that a <= b < c
Σ from j=a to b of (x-sub-j + y-sub-j) = Σ from j=a to b of (x-sub-j) + Σ from j=a to b of (y-sub-j)
Can we use induction here? Or recursion? Thanks a lot in advance!