constraint preference plm call paper call papers workshop constraint v preference during plm nd poznan linguistic meet recent development linguistic theory april issues special topics nature both constraint preference epistemological compatibility scalar nature preference v absolute nature constraint scalar constraint hierarchy v rule order principle rank constraint v rule process predictive explanatory power constraint preference constraint preference online process learnability problem pro contra parallelism between diachronic change synchronic rule process phonological phonetic constraint illustration empirical evidence claim concern above issue speakers confirm participation far wolfgang u dressler vienna rajendra singh montreal nikolaus ritt vienna martin prinzhorn vienna abstracts please send onepage abstract dkasium ifa amu edu pl end february registration please register poznan linguistic meet intend participate speaker otherwise workshop reply form address first circular plm http elex amu edu pl ifa plm index html katarzyna dziubalska kolaczyk dkasium ifa amu edu pl 