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-rw-r--r--doc/refman/RefMan-cic.tex2
1 files changed, 2 insertions, 0 deletions
diff --git a/doc/refman/RefMan-cic.tex b/doc/refman/RefMan-cic.tex
index 3d56dcac60..8c8537cfb2 100644
--- a/doc/refman/RefMan-cic.tex
+++ b/doc/refman/RefMan-cic.tex
@@ -1747,6 +1747,8 @@ and $B_{k_i}$
being an instance of an inductive definition.
% TODO: We should probably define somewhere explicitely, what we mean by
% "x is an instance of an inductive type I".
+%
+% QUESTION: So, $k_i$ is the index of the argument on which $f_i$ is decreasing?
Now in the definition $t_i$, if $f_j$ occurs then it should be applied
to at least $k_j$ arguments and the $k_j$-th argument should be