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Edited by BellRinger12:
2/3/2013 8:21:27 PM
5
I need help with math
I have some logic homework and I need help on something I am using in my proof.
I want to know if this is true
n>a implies that n-k>=a where 0<=k<=n-a.
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1 ReplyWhat do those variables represent?
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False. If k = 0, then n-k = n = a, which contradicts the earlier premise that n > a.
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this is only true if a<=1 think about the boundaries. if k = 0, n-k>=a becomes n >= a if k = n-1, n-k>=a becomes 1>=a
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The only issue I see is that a could be really close to n and thus make you second statement false. For example if n = 2 a could equal 1.9. As long as k > .1 which is allowed based on your statement the second statement is false. Though I could be wrong that is just how it looks at a glance.
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