The trouble with the cosmological constant, expressed by the Greek letter lambda, is that no one knows if it exists at all.

Alternatively, "the letter V reversed" might be called "the letter lambda".

It comes from the Greek letter lambda and is the same as the Roman L.

It is an angular measurement, usually expressed in degrees and denoted by the Greek letter lambda (λ).

Haskell is based on lambda calculus and uses the Greek letter lambda as its logo.

Wavelength is commonly designated by the Greek letter lambda (λ).

A symbol used for wavelength most often is the Greek letter lambda (λ).

King Louis XIII of France used the letter lambda as his personal symbol rather than monogram.