Plum@lemmy.worldM to Wikipedia@lemmy.worldEnglish · 13 days agoDouble bubble theoremen.wikipedia.orgexternal-linkmessage-square3linkfedilinkarrow-up122arrow-down10
arrow-up122arrow-down1external-linkDouble bubble theoremen.wikipedia.orgPlum@lemmy.worldM to Wikipedia@lemmy.worldEnglish · 13 days agomessage-square3linkfedilink
Toil and trouble.