منابع مشابه
Epigram reloaded: a standalone typechecker for ETT
Epigram 1 [18, 3] is at the same time a functional programming language with dependent types and a type-driven, interactive program development system. Epigram’s type system is strong enough to express a wide range of program properties, from basic structural invariants to full specifications. The system supports the interactive development of programs exploiting types to direct the design proc...
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You can’t, of course: this program is obviously nonsense unless you’re a typechecker. The trouble is that only certain computations make sense if the null xs test is True, whilst others make sense if it is False. However, as far as the type system is concerned, the type of the then branch is the type of the else branch is the type of the entire conditional. Statically, the test is irrelevant. W...
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It is commonly believed that in dependently typed programming languages, the blurring of the distinction between types and values means that no type erasure is possible at run-time. In this paper, however, we propose an alternative phase distinction. Rather than distinguishing types and values in the compilation of EPIGRAM, we distinguish compile-time and run-time evaluation, and show by a seri...
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In order to understand the genetic basis for the evolutionary success of modern humans, it is necessary to compare their genetic makeup to that of closely related species. Unfortunately, our closest living relatives, the chimpanzees, are evolutionarily quite distant. With the advent of ancient DNA study and more recently paleogenomics - the study of the genomes of ancient organisms - it has bec...
متن کاملThe Archaic Maternal Superego
It is possible to argue that the concept is somehow in a latent state, under other names, in works that concern its clinical and theoretical area of interest or related matters. The sense in which I employ the term here is to designate a set of problems which are both clinical and theoretical, not the name for a supposed metapsychological agency whose theoretical necessity would be questionable...
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ژورنال
عنوان ژورنال: The Classical Review
سال: 1915
ISSN: 0009-840X,1464-3561
DOI: 10.1017/s0009840x00048964