anchor.diff:  synthesis of implicit type arguments, relieving the user of tedious
   redundant declarations.
   
  -Christine Paulin wrote an article _Algorithm development in the
  -Calculus of Constructions_, preprint as Rapport de recherche INRIA
  -n°497, March 86.  Final version in Proceedings Symposium on Logic in
  -Computer Science, Cambridge, MA, 1986 (IEEE Computer Society
  -Press). Besides _lambo_ and _majority_, she presents quicksort and a
  -text formatting algorithm.
  +Christine Paulin wrote an article __Algorithm development in the
  +Calculus of Constructions__ <<P86>>. Besides _lambo_ and _majority_,
  +she presents quicksort and a text formatting algorithm.
   
   Version 2.13 of the Calculus of Constructions with universes was
   frozen on June 25th, 1986.
  
positive.code: The formal system, now renamed as the _Calculus of Constructions_, was
  presented with a proof of consistency and comparisons with proof
  systems of Per Martin Löf, Girard, and the Automath family of N. de
  Bruijn, in the paper: T. Coquand and G. Huet. _The Calculus of
  Constructions_.  Submitted on June 30th 1985, accepted on December
  5th, 1985, Information and Computation. Preprint as Rapport de
  Recherche Inria n°530, Mai 1986. Final version in Information and
  Computation 76,2/3, Feb. 88.
  
  An abstraction of the software design, in the form of an abstract
  machine for proof checking, and a fuller sequence of mathematical
  developments was presented in: Th. Coquand, G. Huet. _Concepts
  Mathématiques et Informatiques Formalisés dans le Calcul des
  Constructions_. Invited paper, European Logic Colloquium, Orsay, July
  1985. Preprint as Rapport de recherche INRIA n°463, Dec. 85.
  Published in Logic Colloquium 1985, North-Holland, 1987.
  
  Version 2.8 was frozen on December 16th, 1985, and served for
  developing the exemples in the above papers.
  
negative.code: _Induction and Recursion in the Theory of Constructions_ was presented
  as an invited paper at the Joint Conference on Theory and Practice of
  Software Development TAPSOFT’87 at Pise in March 1987, and published
  as __Induction Principles Formalized in the Calculus of
  Constructions__ <<H88>>.
  
  Version 3
  ---------
  