
1) Philosophical methodology
Found on
https://www.crosswordclues.com/clue/fictionalism

Fictionalism is the view in philosophy according to which statements that appear to be descriptions of the world should not be construed as such, but should instead be understood as cases of `make believe`, of pretending to treat something as literally true (a `useful fiction`). Two important strands of fictionalism are modal fictionalism deve...
Found on
http://en.wikipedia.org/wiki/Fictionalism

belief that the falsity of an idea does not render it useless
Found on
http://phrontistery.info/f.html

(from the article `mathematics, philosophy of`) Mathematical fictionalists agree with paraphrase nominalists that there are no such things as abstract objects and, hence, no such things as numbers. ...
Found on
http://www.britannica.com/eb/a-z/f/22
No exact match found.