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-rw-r--r--kernel/retroknowledge.mli4
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/retroknowledge.mli b/kernel/retroknowledge.mli
index 0aca296d29..7aaf14e176 100644
--- a/kernel/retroknowledge.mli
+++ b/kernel/retroknowledge.mli
@@ -18,7 +18,9 @@ type retroknowledge = {
retro_pair : constructor option;
retro_cmp : (constructor * constructor * constructor) option;
(* Eq, Lt, Gt *)
- retro_option : (constructor * constructor) option; (* Some, None *)
+ retro_f_cmp : (constructor * constructor * constructor * constructor)
+ option;
+ (* FEq, FLt, FGt, FNotComparable *)
retro_refl : constructor option;
}