Etymology

allism

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Today it means: A belief in the existence of all possible entities including past and future things or unactualised possibilities. Full definition →

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allism · noun1

From allo- + -ism, coined by Andrew Main (Zefram) in 2003, in contradistinction to autism, where 'auto-' refers to a self-integrated neurology and 'allo-' refers to an other-integrated neurology.

Allism · noun2

From all + -ism, coined by David Lewis in his 1989 paper "Noneism or Allism?".

Allism · noun3

From all + -ism, coined by Peter van Inwagen in 2009.

Etymology from Wiktionary, CC BY-SA 4.0.