On Monday, February 20, 2023 at 5:45:39 PM UTC-8, Paul Rubin wrote: > Hen Hanna <henh...@gmail.com> writes: > > is [comprehension] the right word???
> Yes, it comes from math, particularly set theory. An expression like > > { n | n:integer, n mod 2 = 0 } > > is called a set comprehension, and then one there denotes the set of all > even integers. Axioms saying that the above denotes a legitimate set > are called comprehension axioms. In ZFC (an axiomitization of set > theory widely used in math), there is an infinite schema of such axioms. > > The Haskell language used a notation inspired by this for "list > comprehensions", and Python list (and later dictionary etc.) > comprehensions were inspired by Haskell's version. thank you .... i did a search thru Google.Books and found just 1 hit (before 1970). The Cambridge History of Later Greek and Early Medieval ... - Page 133 books.google.com › books A. H. Armstrong · 1967 FOUND INSIDE – PAGE 133 Too powerful , in fact : in 1902 , Russell showed that it is inconsistent , since it implies Russell's Antinomy ( see Russell's letter to Frege in van Heijenoort 1967 ) . Law V is close to what has become known as the Set Comprehension Principle (SCP) ........................ -- https://mail.python.org/mailman/listinfo/python-list