To determine if a set is closed under an operation, can you use two of the same numbers? For example: Is [0, 1] closed under addition, even though 1 + 1 = 2?
This may sound like a silly question, but I've been meaning to ask this.
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Closed Under an Operation
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Closed Under an Operation
by nick3194 » Mon Feb 27, 2012 11:50 am
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Re: Closed Under an Operation
by Salvadoramerican » Mon Feb 27, 2012 12:31 pm
i don't think so or at least i never done it before to validate a set
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Officially retire: It was an honor to compete against Dominic Yurk and his school, Paschal High(I attended Freshmen year there), in Science, gave a good fight.
It was a pleasure to compete with everyone in math thanks guys
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Re: Closed Under an Operation
by nsguy1350 » Mon Feb 27, 2012 7:53 pm
Sorry... I am not sure. I tried to find out but nothing came up.
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Re: Closed Under an Operation
by DentonKnight » Sat Mar 03, 2012 8:55 pm
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Lit Crit: 75/60
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