# Re: The seven step series

From: m.a. <marty684.domain.name.hidden>
Date: Thu, 23 Jul 2009 08:02:43 -0400

Hi Bruno,
I asked Brent Meeker a question which he referred back to you. Will you be covering it? (see para in bold below)

----- Original Message -----
From: "Brent Meeker" <meekerdb.domain.name.hidden>
To: <everything-list.domain.name.hidden>
Sent: Wednesday, July 22, 2009 11:49 PM
Subject: Re: The seven step series

>> *0000 0001 0010 0011 0100 0101 0110 0111
>> 1000 1001 1010 1011 1100 1101
>> 1110 1111*
>> **
>> *and this is the binary sequence of length 4.*
>
> Right, it's all the binary strings of length 4
>
>> **
>> *How do these translate into ordinary numerals? 1,2,3,4...*
>
> Bruno's using them to represent sets and subsets. So if we have a set {a b c}
> we can represent the subset {a c} by 101 and {a b} by 110, etc. That's quite
> different from using a binary string to represent a number in positional
> notation. I'll leave it to Bruno whether he wants to go into that.

>
> Brent
>
> >
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Received on Thu Jul 23 2009 - 08:02:43 PDT

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