Sex and Gender


  1. tw ⊆ m ;
  2. w ⊆ f ;
  3. m f = ∅ .

∴ tw w = ∅    ⇒    tw  ≠ w

By Debbie Hayton

Physics teacher and trade unionist.

5 replies on “Logic”

This only holds to be true under the assumption that sex is a binary; that is, statement 3 can be disproved easily with the just under 2% of the population that is some combination of both male and female. Therefore, the union of tw and f is in fact a nonempty set.


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