1 NAMING CONVENTIONS FOR METAVARIABLES
4 C,D : candidate of reducibility
7 H : reserved: transient premise
8 IH : reserved: inductive premise
10 K,L : local environment
11 M,N : reserved: future use
13 P,Q : reserved: future use
14 R : generic predicate (relation)
17 X,Y,Z : reserved: transient objet denoted by a capital letter
21 h : sort hierarchy parameter
22 i,j : local reference position index (de Bruijn's)
24 p,q : global reference position
25 t,u : local reference position level (de Bruijn's)
27 NAMING CONVENTIONS FOR CONSTRUCTORS
32 A: application to vector
39 t: native type annotation