Philosophy

 001) Presentism : 
Presentism is the view that only present things exist (Hinchliff 1996: 123; Crisp 2004: 15; Markosian 2004: 47–48). So understood, presentism is an ontological doctrine; it’s a view about what exists (what there is), absolutely and unrestrictedly. The view is the subject of extensive discussion in the literature, with much of it focused on the problems that presentism allegedly faces. 

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002) Time: 
Discussions of the nature of time, and of various issues related to time, have always featured prominently in philosophy, but they have been especially important since the beginning of the twentieth century.