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Conflicting Conditions

The definition is self-contradictory.


The challenge for activists is to offer a plausible definition of gender and gender identity that is independent of bodily sex. Is there a gender binary or not? Somehow, it both does and does not exist, according to transgender activists. If the categories of “man” and “woman” are objective enough that people can identify as, and bemen and women, how can gender also be a spectrum, where people can identify as, and be, both, or neither, or somewhere in between?

Ryan T. Anderson, “Transgender Ideology Is Riddled With Contradictions” at (February 9, 2018).

The very politicians and academics who in the morning denounce America’s lethal white supremacy in the afternoon demand that the country open its borders to every intending Third World immigrant, with no penalty for illegal entry. These two positions are contradictory: The U.S. cannot be at the same time the graveyard for nonwhite people and an essential beacon of freedom and life-preserving haven from oppression for these same people.

Heather MacDonald, “The Cost of America’s Cultural Revolution” at City Journal (December 9, 2019).

“Misgendering” and “Gender affirmation”

People are eligible to apply for a learner’s permit (to drive) if they have (a) no previous driving experience, (b) access to a vehicle, and (c) experience operating a motor vehicle. (A person cannot have experience operating a motor vehicle if they have no previous driving experience.)


Identify the conditions in the definition. Show that they cannot all be true at the same time (in particular, assume that one of the conditions is true, then show from this that another of the conditions must be false).