Re: Debian's custom use of Condorcet and later-no-harm

2014-02-28 Thread Thue Janus Kristensen
2014-02-28 17:50 GMT+01:00 Ian Jackson : > Thue Janus Kristensen writes ("Re: Debian's custom use of Condorcet and > later-no-harm"): > > I am not completely sure, but I think both ways accomplish the same > thing, > > if you always only use the >= criteri

Re: Debian's custom use of Condorcet and later-no-harm

2014-02-28 Thread Ian Jackson
Neil McGovern writes ("Re: Debian's custom use of Condorcet and later-no-harm"): > On Fri, Feb 28, 2014 at 04:50:47PM +, Ian Jackson wrote: > > In my proposal, the casting voter gets to choose between A and B and > > there less incentive to manipulate the syst

Re: Debian's custom use of Condorcet and later-no-harm

2014-02-28 Thread Neil McGovern
On Fri, Feb 28, 2014 at 04:50:47PM +, Ian Jackson wrote: > In my proposal, the casting voter gets to choose between A and B and > there less incentive to manipulate the system by voting FD. > I'm just wondering, what was the purpose behind treating FD as a special case in the first place? Cou

Re: Debian's custom use of Condorcet and later-no-harm

2014-02-28 Thread Ian Jackson
Thue Janus Kristensen writes ("Re: Debian's custom use of Condorcet and later-no-harm"): > I am not completely sure, but I think both ways accomplish the same thing, > if you always only use the >= criterium. > > My way seems more flexible though, since you can

Re: Debian's custom use of Condorcet and later-no-harm

2014-02-27 Thread Thue Janus Kristensen
you suggest, I don't have a model in my head to understand all the consequences. Regards, Thue 2014-02-27 20:20 GMT+01:00 Ian Jackson : > Thue Janus Kristensen writes ("Debian's custom use of Condorcet and > later-no-harm"): > > There is what I consider a

Re: Debian's custom use of Condorcet and later-no-harm

2014-02-27 Thread Ian Jackson
Russ Allbery writes ("Re: Debian's custom use of Condorcet and later-no-harm"): > This change would also fix a different problem that came up during the > debate, namely one of the problems with the 2:1 majority required for a TC > override. Currently, if we have a

Re: Debian's custom use of Condorcet and later-no-harm

2014-02-27 Thread Ian Jackson
Thue Janus Kristensen writes ("Debian's custom use of Condorcet and later-no-harm"): > There is what I consider an unnecessary problem with later-no-harm [1] in > Debian's use of the Condorcet voting method in the Debian Constitution > §A.6.3 [2]. Yes. I disagree

Re: Debian's custom use of Condorcet and later-no-harm

2014-02-23 Thread Russ Allbery
Thue Janus Kristensen writes: > So in the init system vote example with my rule modification, D, U and > FD would end up in the Schwartz set, Bdale would choose D, and the final > result would then be FD, because D doesn't beat FD. So this rule change > means that U cannot win unfairly due to str

Re: Debian's custom use of Condorcet and later-no-harm

2014-02-23 Thread Matthias Urlichs
Hi, Thue Janus Kristensen: > I don't know enough about Michael Ossipoff's suggested complete > change of voting system to have an opinion about that. > It's not a "complete change". The basic Condorcet method is unchanged. We merely change (fix?) what we do when there's no single winner. I have

Re: Debian's custom use of Condorcet and later-no-harm

2014-02-23 Thread Thue Janus Kristensen
>From that discussion ( https://lists.debian.org/debian-vote/2013/05/msg00012.html ), Michael Ossipoff mentions a similar solution for the "beat default" criterium problem as my suggestion, except for a different voting system: > Do a rank-balloting among all of the options, with D as one of the o

Re: Debian's custom use of Condorcet and later-no-harm

2014-02-22 Thread Matthias Urlichs
Hi, Markus Schulze: > the Condorcet criterion and the later-no-harm criterion > are incompatible. Therefore, the fact that Debian's Condorcet > method violates the later-no-harm criterion doesn't come > from the order of its checks. > That may be so, but our method of removing choices that fail t

Re: Debian's custom use of Condorcet and later-no-harm

2014-02-22 Thread Markus Schulze
Hallo, the Condorcet criterion and the later-no-harm criterion are incompatible. Therefore, the fact that Debian's Condorcet method violates the later-no-harm criterion doesn't come from the order of its checks. Markus Schulze -- To UNSUBSCRIBE, email to debian-vote-requ...@lists.debian.org wi

Re: Debian's custom use of Condorcet and later-no-harm

2014-02-22 Thread Kurt Roeckx
On Sat, Feb 22, 2014 at 01:18:21PM +0100, Thue Janus Kristensen wrote: > There is what I consider an unnecessary problem with later-no-harm [1] in > Debian's use of the Condorcet voting method in the Debian Constitution > §A.6.3 [2]. This also reminded me of https://lists.debian.org/debian-vote/2

Debian's custom use of Condorcet and later-no-harm

2014-02-22 Thread Thue Janus Kristensen
There is what I consider an unnecessary problem with later-no-harm [1] in Debian's use of the Condorcet voting method in the Debian Constitution §A.6.3 [2]. The problem was visible in the recent CTTE init system vote, as noted by fx Steve Langasek [3]. Given options * systemd (D) * upstart (U) * F