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answered How many trailing zeroes in $11^{50}-1$?
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reviewed Approve group of permutation - cycles of length $n$ - order of generated group
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reviewed Reject Do journals that published a proof of an important theorem $T$ publish another proof of $T$?
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comment Show a simple strategy.
Either I'm missing something or Paula can simply choose $1$ and then keep choosing the same number as Victor until they're all gone.
Apr
27
comment Suggest an Antique Math Book worth reading?
@JackM I definitely agree that the classical approach to geometry is important and should be studied by anyone learning math. However, I think a new resource discussing these foundations will do it using modern notation and presentation which is easier on modern ears (arguably even genuinely "clearer"), and fits better into later theory. Example: "A prime number is that which is measured by a unit alone." (VII.Def11)
Apr
20
revised Removing two adjacent edges so that the graph remains connected
added 1225 characters in body
Apr
20
answered Removing two adjacent edges so that the graph remains connected
Apr
18
revised How to justify this orthogonality?
edited body