War heroes, like Paul Revere, are well known. However, there are also war heroes that a lot of people have never heard of. Unheralded as they maybe, they are worthy of commendation for very few people are willing to endure what these 25 war heroes you probably never heard of have endured. Subscribe to List25.
Lambda calculus. Lambda calculus (also written as Î»-calculus) is a formal system in mathematical logic for expressing computation based on function abstraction and application using variable binding and substitution.
Definition of LAMBDA. 1. : the 11th letter of the Greek alphabet â see alphabet table. 2. : an uncharged unstable elementary particle that has a mass 2183 times that of an electron and that decays typically into a nucleon and a pion. See lambda defined for kids. ADVERTISEMENT.efinition of LAMBDA. 1. : the 11th letter of the Greek alphabet â see alphabet table. 2. : an uncharged unstable elementary particle that has a mass 2183 times that of an electron and that decays typically into a nucleon and a pion. See lambda defined for kids. ADVERTISEMENT.