lemmus.org
  • Communities
  • Create Post
  • heart
    Support Lemmy
  • search
    Search
  • Login
  • Sign Up
fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 1 month ago

Equinunerous Sets

mander.xyz

message-square
17
fedilink
217

Equinunerous Sets

mander.xyz

fossilesque@mander.xyzM to Science Memes@mander.xyzEnglish · 1 month ago
message-square
17
fedilink
  • yesman@lemmy.world
    link
    fedilink
    English
    arrow-up
    11
    arrow-down
    1    ·
    1 month ago

    Sure, but does the set of all sets that don’t include themselves include itself?

    • yetAnotherUser@discuss.tchncs.de
      link
      fedilink
      English
      arrow-up
      5      ·
      edit-2
      30 days ago

      Easy. If and only if the integer sequence A053169 contains the number 53169

    • enkers@sh.itjust.works
      link
      fedilink
      English
      arrow-up
      2      ·
      1 month ago

      Yesn’t.

Science Memes@mander.xyz

science_memes@mander.xyz

Subscribe from Remote Instance

Create a post
You are not logged in. However you can subscribe from another Fediverse account, for example Lemmy or Mastodon. To do this, paste the following into the search field of your instance: !science_memes@mander.xyz

Welcome to c/science_memes @ Mander.xyz!

A place for majestic STEMLORD peacocking, as well as memes about the realities of working in a lab.

Rules

  1. Don’t throw mud. Behave like an intellectual and remember the human.
  2. Keep it rooted (on topic).
  3. No spam.
  4. Infographics welcome, get schooled.

This is a science community. We use the Dawkins definition of meme.

Research Committee

  • !spiders@lemmy.world

Other Mander Communities

Science and Research

  • !academia@mander.xyz
  • !science@mander.xyz
  • !scicomm@mander.xyz

Biology and Life Sciences

  • !abiogenesis@mander.xyz
  • !animal-behavior@mander.xyz
  • !anthropology@mander.xyz
  • !arachnology@mander.xyz
  • !balconygardening@slrpnk.net
  • !biodiversity@mander.xyz
  • !biology@mander.xyz
  • !biophysics@mander.xyz
  • !botany@mander.xyz
  • !ecology@mander.xyz
  • !entomology@mander.xyz
  • !fermentation@mander.xyz
  • !herpetology@mander.xyz
  • !houseplants@mander.xyz
  • !medicine@mander.xyz
  • !microscopy@mander.xyz
  • !mycology@mander.xyz
  • !nudibranchs@mander.xyz
  • !nutrition@mander.xyz
  • !palaeoecology@mander.xyz
  • !palaeontology@mander.xyz
  • !photosynthesis@mander.xyz
  • !plantid@mander.xyz
  • !plants@mander.xyz
  • !reptiles and amphibians@mander.xyz

Physical Sciences

  • !astronomy@mander.xyz
  • !chemistry@mander.xyz
  • !earthscience@mander.xyz
  • !geography@mander.xyz
  • !geospatial@mander.xyz
  • !nuclear@mander.xyz
  • !physics@mander.xyz
  • !quantum-computing@mander.xyz
  • !spectroscopy@mander.xyz

Humanities and Social Sciences

  • !archaeology@mander.xyz
  • !folklore@mander.xyz
  • !history@mander.xyz
  • !old_maps@mander.xyz

Practical and Applied Sciences

  • !exercise-and sports-science@mander.xyz
  • !gardening@mander.xyz
  • !self sufficiency@mander.xyz
  • !soilscience@slrpnk.net
  • !terrariums@mander.xyz
  • !timelapse@mander.xyz

Memes

  • !bushrat_confidential@slrpnk.net
  • !science_memes@mander.xyz

Miscellaneous

  • !answered@mander.xyz
  • !mander@mander.xyz
Visibility: Public
globe

This community can be federated to other instances and be posted/commented in by their users.

  • 2.89K users / day
  • 7.37K users / week
  • 13K users / month
  • 24.3K users / 6 months
  • 11 local subscribers
  • 11.1K subscribers
  • 3.47K Posts
  • 78.6K Comments
  • Modlog
  • mods:
  • Salamander@mander.xyz
  • fossilesque@mander.xyz
  • SciBot@mander.xyz
  • BE: 0.19.5
  • Modlog
  • Instances
  • Docs
  • Code
  • join-lemmy.org