English edit

Etymology edit

ersatz +‎ -ism

Noun edit

ersatzism (uncountable)

  1. (metaphysics) The doctrine that only one concrete world exists, and all other possible worlds are abstract.
    • 2024 April 25, (Please provide the book title or journal name), volume 140, number 1, →DOI:
      One of Lewis’s challenges to linguistic ersatzism focuses on the inelimanibility[sic] of modality in connecting different levels of ontological description.

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