{→↑↓←}

#mathematical set #set notation #arrow symbols #symbol collection #formal set #unicode arrows #logic symbols

{}∪∩

#mathematical set #set theory #math group #abstract algebra #logic group

1️⃣{}

#math set #set theory #group of elements #mathematical set

{🔢🅰️🔵}

#math set #mathematical set #collection #set theory #conjunto matemático

{🌺🌺🌺}

#three flowers #3 flowers #set of three #mathematical set #flower group #defined group #hibiscus trio

{

#wide scope #function scope #mathematical set #vast range #large container

{1}

#singleton set #single element #mathematical set #cardinality one #unique member #just one

∅or{}

#null set #blank set #zero elements #mathematical set