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   Greg Egan (gregegansf@mathstodon.xyz)'s status on Thursday, 27-Feb-2025 23:04:00 JST Greg Egan

   Apropos of nothing:

   ∅

   U+2205

   https://en.wikipedia.org/wiki/Empty_set

   • Embed this notice
     Anthk (anthk@paquita.masto.host)'s status on Thursday, 27-Feb-2025 23:06:50 JST Anthk

     in reply to

     @gregeganSF Heh, serendipity. I just posted (actually ranted) that it should be mandatory at HS in Spain to learn about discrete math; being itself a core, mandatory subject, no matter the branch you chose before college/uni (Humanities/STEM).