@briansullivan I'm not sure about that. Here's what Wikipedia says about a subadditive sequence (not set):
for all n, m: a(n+m) <= a(n) + a(m)
@briansullivan I'm not sure about that. Here's what Wikipedia says about a subadditive sequence (not set):
for all n, m: a(n+m) <= a(n) + a(m)
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