The Picard Maneuver@lemmy.worldM to memes@lemmy.world · 10 个月前I'm sure the next one is lurking in the shadows thoughlemmy.worldexternal-linkmessage-square72fedilinkarrow-up1556arrow-down131
arrow-up1525arrow-down1external-linkI'm sure the next one is lurking in the shadows thoughlemmy.worldThe Picard Maneuver@lemmy.worldM to memes@lemmy.world · 10 个月前message-square72fedilink
minus-squareaffiliate@lemmy.worldlinkfedilinkarrow-up9·10 个月前depends on the context, but σ is most often used to denote a member of a permutation group
depends on the context, but σ is most often used to denote a member of a permutation group