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A comment on Illegal prime. Parent comment

Re:Illegal prime by dorgo on Saturday April 28, 2018 @04:03AM (#16946619)
>nearly all strings can’t be compressed by more than a small amount.

source?

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Re:Illegal prime by mikeash on Saturday April 28, 2018 @08:50AM (#16947414)
https://en.m.wikipedia.org/wiki/Pigeonhole_principle

As you increase length, the number of possible strings grows exponentially. There are only a few (relatively) much smaller strings you can map to.

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