# Re: The seven step series

From: m.a. <marty684.domain.name.hidden>
Date: Wed, 22 Jul 2009 09:25:10 -0400

Hi Brent,
I really appreciate the help and I hate to impose on your patience but...(see below)

----- Original Message -----
From: "Brent Meeker" <meekerdb.domain.name.hidden>
To: <everything-list.domain.name.hidden>
Sent: Tuesday, July 21, 2009 5:24 PM
Subject: Re: The seven step series

>
> Take all strings of length 2
> 00 01 10 11
> Make two copies of each
> 00 00 01 01 10 10 11 11

> Add a 00 to the first and a 01 to the second
> 000 001 010 011 100 101 110 111
> and you have all strings of length 3.

I can see where adding 0 to the first and 1 to the second gives 000 and 001 and I think I see how you get 010 but the rest of the permutations don't seem obvious to me. P-l-e-a-s-e explain, Best,

m. (mathematically hopeless) a.

>
> Brent
>
> m.a. wrote:
>> *Thanks Brent,*
>> * Could you supply some illustrative examples? *
>> *
>> marty a.*
>> **
>>
>> ----- Original Message -----
>> From: "Brent Meeker" <meekerdb.domain.name.hidden
>> <mailto:meekerdb.domain.name.hidden>>
>> To: <everything-list.domain.name.hidden
>> <mailto:everything-list.domain.name.hidden>>
>> Sent: Tuesday, July 21, 2009 3:57 PM
>> Subject: Re: The seven step series
>>
>> >
>> > Each binary string of length n has two possible continuations of
>> length
>> > n+1, one of them by appending a 0 and one of them by appending a 1. So
>> > to get all binary strings of length n+1 take each string of length n,
>> > make two copies, to one copy append a 0 and to the other copy append
>> a 1.
>> >
>> > Brent
>> >
>> > m.a. wrote:
>> >> Hi Bruno,
>> >> I'm not clear on the sentence in bold below,
>> >> especially the word "correspondingly". The example of Mister X only
>> >> confuses me more. Could you please give some simple examples? Thanks,
>> >>
>> >>
>> >>
>> >>
>> >> marty a.
>> >>
>> >>
>> >>
>> >> >>
>> >> >
>> >
>> >
>> >
>> >
>
>
> >
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Received on Wed Jul 22 2009 - 09:25:10 PDT

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