NAMING CONVENTIONS FOR METAVARIABLES
A,B : arity
-C,D : candidate of reducibility
-E,F : RTM environment
-G : global environment
+C : candidate of reducibility
+D,E : RTM environment
+F,G : global environment
H : reserved: transient premise
IH : reserved: inductive premise
I,J : item
m,n : reserved: future use
o :
p,q : global reference position
-r,s :
+r : reduction kind parameter (true = ordinary, false = extended)
+s : local dropping kind parameter (true = general, false = restricted)
t,u : local reference position level (de Bruijn's)
v,w :
x,y,z : reserved: transient objet denoted by a small letter
2: binary
A: application to vector
+F: boolean false
+T: boolean true
a: application
b: binder
r: dx contex-sensitive for local environments
t: context-free for terms
--second letter
+- second letter
i: irreducible form
n: normal form
r: reduction
s: substitution
u: supclosure
+w: reserved for generic pointwise extension
x: extended reduction
+y: extended substitution
- forth letter (if present)
-c: proper single step (successor)
+c: proper single step (general) (successor)
e: reflexive transitive closure to normal form (evaluation)
-g: proper multiple step (greater)
+g: proper multiple step (general) (greater)
p: non-reflexive transitive closure (plus)
q: reflexive closure (question)
+r: proper multiple step (restricted) (restricted)
s: reflexive transitive closure (star)
+u: proper single step (restricted) (unit)
+x: reserved for generic pointwise extension