∑∫

#scientific symbol #formal notation #abstract symbol #calculus symbol #academic symbol

⟨⟩

#angle brackets #mathematical brackets #physics notation #bra-ket notation #chevron #formal notation

∀x∈ℝ⇒∃y

#logic notation #set theory notation #predicate logic #quantifiers math #set membership #implication symbol #formal notation #mathematical logic symbols

∀𝑥

#for all x #for every x #predicate logic #quantifier #formal notation #variable binding #∀ symbol