ββπ’
π’{}ββ
π»π’ββ«
πβββΎοΈ
βοΈββΎοΈ
βββ
π[ββ«β]
π§ (π’)π₯
ββxyπ
πββ
{ΣΨβοΈ}
#quantifiers #mathematical logic #for all #there exists #formal systems #set theory #discrete math #formal quantification