Gender dysphoria (G.D.) claims that someone whose sex was determined at birth to be male is entitled later to "identify as" female and take appropriate measures. Analogously, someone whose sex was determined at birth to be female is entitled later to "identify as" male and take appropriate measures. What about this? Entering stage right is conservative philosopher WVO Quine (1908–2000), who taught at Harvard University for decades and published widely during a long and distinguished career. While many of Quine's contributions are technical, there is a fairly simple one that applies to the problem at hand. Suppose, Quine noted, that...