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Morendil comments on Prospect Theory: A Framework for Understanding Cognitive Biases - Less Wrong

66 Post author: Yvain 10 July 2011 05:20AM

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Comment author: Morendil 12 July 2011 08:58:23PM *  5 points [-]

Have a gander at Language Log where the "singular they" has been extensively discussed - mostly, apparently, because it's something of a litmus test to determine whether someone is a descriptivist or a prescriptivist grammarian; the LL crowd falling squarely in the descriptivist camp.

The short answer is that it's grammatically plural; it's a "plural of indeterminacy of number" primarily, and has taken on under social pressure an aspect of "plural of indeterminacy of gender". Number one is correct.

ETA: background info.