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Water is and is not H 2 O
Author(s) -
Tobia Kevin P.,
Newman George E.,
Knobe Joshua
Publication year - 2020
Publication title -
mind and language
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.905
H-Index - 68
eISSN - 1468-0017
pISSN - 0268-1064
DOI - 10.1111/mila.12234
Subject(s) - intuition , liquid water , epistemology , philosophy , social psychology , psychology , geology , earth science
The Twin Earth thought experiment invites us to consider a liquid that has all of the superficial properties associated with water (clear, potable, etc.) but has entirely different deeper causal properties (composed of “XYZ” rather than of H 2 O). Debates about natural kind concepts have sought to accommodate an apparent fact about ordinary people's judgments: Intuitively, the Twin Earth liquid is not water. We present results showing that people do not have this intuition. Instead, people tend to judge that there is a sense in which the liquid is not water but also a sense in which it is water.