Formal Logic

Symbol	Meaning
∀	For all
∃	There exists
∈	Is an element of
∉	Is not an element of
⇒	Implies
⇏	Does not imply

Common Sets

Symbol	Meaning
ℤ	Integers (Zahlen)
ℝ	Real Numbers
ℕ	Natural Numbers
ℂ	Complex Numbers

Greek Letters

Letter	Lowercase	Uppercase
Alpha	α	Α
Beta	γ	Β
Gamma	γ	Γ
Delta	δ	Δ
Epsilon	ε	Ε
Zeta	ζ	Ζ
Eta	η	Η
Theta	θ	Θ
Iota	ι	Ι
Kappa	κ	Κ
Lambda	λ	Λ
Mu	μ	Μ
Nu	ν	Ν
Xi	ξ	Ξ
Omicron	ο	Ο
Pi	π	Π
Rho	ρ	Ρ
Sigma	σ	Σ
Tau	τ	Τ
Upsilon	υ	Υ
Phi	φ	Φ
Chi	χ	Χ
Psi	ψ	Ψ
Omega	ω	Ω

comic-subtitle