Kaomojis

🏛️∞⇔|א|

#löwenheim-skolem #model theory #cardinality #infinite models #aleph numbers #first-order logic #structure size #ecnelaviuqe

🏛️∞✅{ℵ₀ℵ₁...}

#löwenheim-skolem #model theory #model existence #cardinality spectrum #infinite models #aleph numbers #set theory #first-order logic

|ℕ|<|ℝ|

#infinite sets #comparing infinities #transfinite numbers #different infinities #set theory #cantor's theorem #aleph numbers

♾️≠♾️❓

#infinity paradox #comparing infinities #cantor's theorem #transfinite numbers #set theory paradox #different sizes of infinity #aleph numbers