Key points are not available for this paper at this time.
This paper reports the results of an attempt to recover the first‐order subgrouping of the Indo‐European family using a new computational method devised by the authors and based on a ‘perfect phylogeny’ algorithm. The methodology is also briefly described, and points of theory and methodology are addressed in connection with the experiment whose results are here reported.
Ringe et al. (Fri,) studied this question.