{"title":"以步满足方式计算","authors":"Oron Shagrir","doi":"10.1093/oso/9780197552384.003.0005","DOIUrl":null,"url":null,"abstract":"The chapter deals with Robert Cummins’s account of computation. In this account, to compute is to execute a program, and program execution is reduced to step-satisfaction. The main claim of this chapter is that step-satisfaction is not a necessary feature of computation. The more general moral is that select architectural profiles, such as step-satisfaction, do not help to distinguish between computing and non-computing. Depending on how it is understood, step-satisfaction either excludes important cases of computing physical systems or is empty, applying to virtually every physical system. The argument rests on the analysis of two examples. One is a thermal device for averaging numbers. The other is an attractor neural network that solves the n-queens problem.","PeriodicalId":222167,"journal":{"name":"The Nature of Physical Computation","volume":"5 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2022-02-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Computation as Step-Satisfaction\",\"authors\":\"Oron Shagrir\",\"doi\":\"10.1093/oso/9780197552384.003.0005\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The chapter deals with Robert Cummins’s account of computation. In this account, to compute is to execute a program, and program execution is reduced to step-satisfaction. The main claim of this chapter is that step-satisfaction is not a necessary feature of computation. The more general moral is that select architectural profiles, such as step-satisfaction, do not help to distinguish between computing and non-computing. Depending on how it is understood, step-satisfaction either excludes important cases of computing physical systems or is empty, applying to virtually every physical system. The argument rests on the analysis of two examples. One is a thermal device for averaging numbers. The other is an attractor neural network that solves the n-queens problem.\",\"PeriodicalId\":222167,\"journal\":{\"name\":\"The Nature of Physical Computation\",\"volume\":\"5 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2022-02-17\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"The Nature of Physical Computation\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1093/oso/9780197552384.003.0005\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Nature of Physical Computation","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1093/oso/9780197552384.003.0005","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The chapter deals with Robert Cummins’s account of computation. In this account, to compute is to execute a program, and program execution is reduced to step-satisfaction. The main claim of this chapter is that step-satisfaction is not a necessary feature of computation. The more general moral is that select architectural profiles, such as step-satisfaction, do not help to distinguish between computing and non-computing. Depending on how it is understood, step-satisfaction either excludes important cases of computing physical systems or is empty, applying to virtually every physical system. The argument rests on the analysis of two examples. One is a thermal device for averaging numbers. The other is an attractor neural network that solves the n-queens problem.
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