space & time

Philosophy of space and time is the branch of philosophy concerned with the issues surrounding the ontology, epistemology, and character of space and time. While such ideas have been central to philosophy from its inception, the philosophy of space and time was both an inspiration for and a central aspect of early analytic philosophy. The subject focuses on a number of basic issues, including whether time and space exist independently of the mind, whether they exist independently of one another, what accounts for time’s apparently unidirectional flow, whether times other than the present moment exist, and questions about the nature of identity particularly the nature of identity over time

  • realist position in ontology is that time and space have existence apart from the human mind
  • idealists deny or doubt the existence of objects independent of the mind
  • conventionalism states that there is no fact of the matter as to the geometry of space and time, but that it is decided by convention
  • presentism, time is an ordering of various realities. At a certain time some things exist and others do not
  • eternalist, holds that time is a dimension of reality on a par with the three spatial dimensions, and hence that all things — past, present and future —  as real as things in the present
  • no-shifters – time, space & views do not exist


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