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Post by Admin on Jan 18, 2018 17:25:02 GMT
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Post by Admin on Jan 18, 2018 17:36:29 GMT
Just edited my answer to correct an error in the last paragraph.
Vasco
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Post by Admin on Feb 3, 2018 14:38:35 GMT
I have just modified my answer to exercise 5. It now includes a practical suggestion which I think helps in the counting of $P$ and $N$.
Vasco/Admin
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