Lenition and Fortition

There are books on tone, coronals, the internal structure of segments, vowel harmony, and a couple of other topics in phonology. This book aims to fill the gap for Lenition and Fortition, which is one of the first phenomena that was addressed by phonologists in the 19th century, and ever since contributed to phonological thinking. It is certainly one of the core phenomena that is found in the phonology of natural language: together with assimilations, the other important family of phenomena, Len