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The other day I was sitting at a bench having my lunch. At the opposite bench were sitting two boys studying (Both had no idea of commutative algebra). One was the intelligent high achiever from whom the other was learning to solve mathematical word problems. During a calculation, the dumb one stuck at a step in which a 0 was multiplied on the left of a variable rather than on the right, which he was accustomed to. The genius, hardly trying not to laugh, just smiled and answered in a polite manner that it is so obvious whether you operate a 0 on right or on left, it does not matter. What matters is the 0, right or left is simply a matter of juxtaposition.

I, on the other hand was pleasantly surprised and praised His Glory. Because what the dumb boy was thinking, was the essence of Abelian Algebra !