:: : Analogical changes sometimes affect a whole verb conjugation pattern or noun declension pattern.
2.
:Purely phonological changes tend to erode information, while analogical changes and morphological changes tend to restore information.
3.
Ringe ( 2006 ) is somewhat more speculative, willing to assume analogical changes in some cases to explain divergent outcomes from a single source form.
4.
As elsewhere, the main difficulty is that, relative to other Indo-European languages, Tocharian is sparsely attested and was subject to a particularly large number of analogical changes.
5.
Stieber's Law ( stating that phonemic contrasts in a language can only be produced by regular sound laws or borrowing, but not as a result of analogical changes in morphophonemic rules ) was first formulated in 1938.
6.
The Nitsch-Trnka-Stieber Law ( stating that phonemic contrasts in a language can only be produced by regular sound laws or borrowing, but not as a result of analogical changes in morphophonemic rules ) remains a matter of debate today ( cf.
7.
The aorist was retained, preserving the PIE thematic and sigmatic aorist types ( the former is generally termed the " root aorist " in Slavic studies ), and a new " productive aorist " arose from the sigmatic aorist by various analogical changes, e . g . replacing some of the original endings with thematic endings . ( A similar development is observed in Greek and Sanskrit.