PPT Slide
- Dijkstra, A discipline of programming, 1976
last chapter, In retrospect
… The other aspects have to wait their turn, because our heads are so small that we cannot deal with them simultaneously without getting confused. This is what I mean by ‘focussing one's attention upon a certain aspect’; it does not mean completely ignoring the other ones, but temporarily forgetting them to the extent that they are irrelevent for the current topic. ...