- lambda: some parts commented out, some refactoring

[helm.git] / matita / matita / contribs / lambda / policy.txt

diff --git a/matita/matita/contribs/lambda/policy.txt b/matita/matita/contribs/lambda/policy.txt
index 77b0fdab7ad30c82bc0e63d25125e2a0a521391e..7743f9bbda954626ebb171114c749b05ce859401 100644 (file)
--- a/matita/matita/contribs/lambda/policy.txt
+++ b/matita/matita/contribs/lambda/policy.txt
@@ -4,12 +4,17 @@ A, B, C, D: term
 H         : transient premise
 IH        : inductive premise
 M, N      : term
+P, Q      : pointer tree
+R         : arbitrary relation
+T, U      : arbitrary small type
 
-a, b      : boolean
-d, e      : variable reference depth 
+c         : pointer step
+d, e      : variable reference level
 h         : relocation height
-i, j      : de Bruijn index
+i, j      : variable reference depth (de Bruijn index)
 k         : relocation height
+l         : arbitrary list
 m, n      : measures on terms
-p, q      : redex pointer
-r, s      : redex pointer sequence
+p, q      : pointer
+r, s      : pointer sequence
+t, u      : arbitrary element