diff options
Diffstat (limited to 'mathcomp/ssreflect/tuple.v')
| -rw-r--r-- | mathcomp/ssreflect/tuple.v | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/mathcomp/ssreflect/tuple.v b/mathcomp/ssreflect/tuple.v index db53235..f32793f 100644 --- a/mathcomp/ssreflect/tuple.v +++ b/mathcomp/ssreflect/tuple.v @@ -349,7 +349,7 @@ Proof. case=> /= t t_n; rewrite -(count_map _ (pred1 t)) (pmap_filter (insubK _)). rewrite count_filter -(@eq_count _ (pred1 t)) => [|s /=]; last first. by rewrite isSome_insub; case: eqP=> // ->. -elim: n t t_n => [|m IHm] [|x t] //= {IHm}/IHm; move: (iter m _ _) => em IHm. +elim: n t t_n => [|m IHm] [|x t] //= {}/IHm; move: (iter m _ _) => em IHm. transitivity (x \in T : nat); rewrite // -mem_enum codomE. elim: (fintype.enum T) (enum_uniq T) => //= y e IHe /andP[/negPf ney]. rewrite count_cat count_map inE /preim /= [in LHS]/eq_op /= eq_sym => /IHe->. |