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when toggle format what by license comment
Feb 22, 2010 at 12:45 comment added AndreA I edited the question to clarify.
Feb 22, 2010 at 12:43 comment added AndreA In the three examples, the product {aba} is just the ordinary product aba.
Feb 22, 2010 at 12:29 history answered Kurt Luoto CC BY-SA 2.5