- tw ⊆ m ;
- w ⊆ f ;
- m ∩ f = ∅ .
∴ tw ∩ w = ∅ ⇒ tw ≠ w
Categories
Logic
∴ tw ∩ w = ∅ ⇒ tw ≠ w
Physics teacher and trade unionist.
View Archive →Subscribe now to keep reading and get access to the full archive.
5 replies on “Logic”
A wee gap: tw and w might both be empty sets.
Gosh, you made me work to understand that, Debbie, but I managed after looking up what the symbols meant.
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.
Sex is binary. Intersex conditions are variations within the two sex classes. They are not new and different sexes outside them,
[…] Logic […]