Categories Sex and Gender Logic Post author By Debbie Hayton Post date January 28, 2020 2 Comments on Logic tw ⊆ m ; w ⊆ f ; m ∩ f = ∅ . ∴ tw ∩ w = ∅ ⇒ tw ≠ w Share this:TwitterFacebookLike this:Like Loading... Related Tags Logic, Transgender By Debbie Hayton Physics teacher and trade unionist. View Archive → ← The Inconvenient Truth About Transwomen → I May Have Gender Dysphoria. But I Still Prefer to Base My Life on Biology, Not Fantasy 2 replies on “Logic” A wee gap: tw and w might both be empty sets. LikeLiked by 1 person Gosh, you made me work to understand that, Debbie, but I managed after looking up what the symbols meant. LikeLiked by 1 person Leave a Reply Cancel reply Enter your comment here... Fill in your details below or click an icon to log in: Email (required) (Address never made public) Name (required) Website You are commenting using your WordPress.com account. ( Log Out / Change ) You are commenting using your Google account. ( Log Out / Change ) You are commenting using your Twitter account. ( Log Out / Change ) You are commenting using your Facebook account. ( Log Out / Change ) Cancel Connecting to %s Notify me of new comments via email. Notify me of new posts via email.