The group (Q ,+ ) is indecomposable true/false?

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2006-06-30 06:29:24 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

Iff the Group (Q, +) is not a simple group :
then it decomposable.

2006-06-30 08:39:21 · answer #1 · answered by Edward 7 · 0⤊ 0⤋

Yes, because if Q = A direct sum B, then
we find a common natural number in A and B, so they will not have intersection 0.

2006-06-30 21:03:36 · answer #2 · answered by Theta40 7 · 0⤊ 0⤋

True

2006-06-30 13:34:40 · answer #3 · answered by ag_iitkgp 7 · 0⤊ 0⤋

Very true.

2006-06-30 13:32:51 · answer #4 · answered by Anonymous · 0⤊ 0⤋