`Andries Brouwer <aebr@win.tue.nl> writes:>> > > entropy(x) >= entropy(x xor y)>> > > entropy(y) >= entropy(x xor y)>> > >> > Is this trolling? Are you serious?>> >> These lemma are absolutely true.>> David, did you read this line:>>> > Try to put z = x xor y and apply your insight to the strings x and z.>> Let us do it. Let z be an abbreviation for x xor y.>> The lemma that you believe in, applied to x and z, says>>  entropy(x) >= entropy(x xor z)>  entropy(z) >= entropy(x xor z)>> But x xor z equals y, so you believe for arbitrary strings x and y that>>  entropy(x) >= entropy(y)>  entropy(x xor y) >= entropy(y).>> This "lemma", formulated in this generality, is just plain nonsense.Not quite non-sense, but it would mean that for any strings x and y,   entropy(x) == entropy(y),which seems incorrect.-- Måns Rullgårdmru@users.sf.net-To unsubscribe from this list: send the line "unsubscribe linux-kernel" inthe body of a message to majordomo@vger.kernel.orgMore majordomo info at  http://vger.kernel.org/majordomo-info.htmlPlease read the FAQ at  http://www.tux.org/lkml/`