▲ 145 ▼ s p h e r e (mander.xyz) submitted 6 months ago by fossilesque@mander.xyz to c/science_memes@mander.xyz 23 comments fedilink hide all child comments
[–] dont@lemmy.world 4 points 6 months ago (1 child) On what level? A proof? Or just the meaning of the words? permalink fedilink source parent hideshow 1 child comment replies: [–] lauha@lemmy.world 12 points 6 months ago What is contractible in mathematics? Wikipedia had article on contractible spaces but that was way beyond be. permalink fedilink source parent
[–] lauha@lemmy.world 12 points 6 months ago What is contractible in mathematics? Wikipedia had article on contractible spaces but that was way beyond be. permalink fedilink source parent