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This chapter overviews those contexts in which in theoretical linguistics the problem of inconsistency has been touched on. After the problem has been raised in ,summarises the main tenets of the standard view of linguistic data (SVLD), which will serve as a reference point in delineating recent trends related to the emergence and the treatment of inconsistencies in linguistic theorising. Sections 3.3 and 3.4 will be devoted to two case studies each of which analyses a particular controversy focusing on the acceptability of introspective and corpus data. We will try to reveal the close relationship between (SVLD) and the standard view of inconsistency (SVI) as presented inand show how giving up elements of (SVLD) leads to an at least partial break with (SVI) in these two controversies. In , we will discuss approaches to the nature of ‘exceptions’, which are commonly thought to be the most frequent manifestations of inconsistencies in linguistic theorising. Then,will summarise the tendencies thus revealed.
This chapter discusses ethnographic, archaeological and linguistic evidences for the origin of indigenous African agriculture, and also the development of indigenous African agriculture in the most general and tenuous terms at the present time. The direct evidence from actual plant remains to date has been very disappointing and contributes little to a solution of the problem. Indirect archaeological evidence is more abundant but always subject to errors or interpretation. The chapter focuses on a theory about plant domestication and agricultural origins, which is based on generalized models. The most characteristic feature of indigenous African agriculture is its adaptation to the savanna. Even the plants grown in the forest are largely of savanna origin, and by far the most important contribution of African crops to the world are plants adapted to the savanna zones. A small group of crops, essentially endemic to Ethiopia, was domesticated in the Ethiopian highlands.
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