Millennials Age" editorial coined the phrase "Generation Y" to describe those who were aged 11 or younger as well as the teenagers of the upcoming ten years who were defined as different from Generation X. According to journalist Bruce Horovitz, in 2012, "Ad Age" "threw in the towel by conceding that millennials is a better name than Gen Y", and by 2014, a past director of data strategy at "Ad Age" said to NPR "the Generation Y label was a placeholder until we found out more about them". Millennials are sometimes called "Echo Boomers", due to their being the offspring of
Brouwer–Heyting–Kolmogorov interpretation then built up by induction into more complex algorithms. If one takes lambda calculus as defining the notion of a function, then the BHK interpretation describes the correspondence between natural deduction and functions. Brouwer–Heyting–Kolmogorov interpretation In mathematical logic, the Brouwer–Heyting–Kolmogorov interpretation, or BHK interpretation, of intuitionistic logic was proposed by L. E. J. Brouwer and Arend Heyting, and independently by Andrey Kolmogorov. It is also sometimes called the realizability interpretation, because of the connection with the realizability theory of Stephen Kleene. The interpretation states what is intended to be a proof of a given formula. This is specified by induction