One small nit...

In general, all lossless compression algorithms will produce output equal in length or longer than the input for some values of the input.

Use an identity function as your compressor.

Otherwise, good back of the napkin / handwavey proof.

--MidLifeXis

In reply to Re^3: Efficient 7bit compression by MidLifeXis
in thread Efficient 7bit compression by Limbic~Region

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