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| author | Kazuhiko Sakaguchi | 2020-09-28 18:49:09 +0900 |
|---|---|---|
| committer | GitHub | 2020-09-28 18:49:09 +0900 |
| commit | c9e5a9621c9a2143e1170ef1553fa7d9135b4130 (patch) | |
| tree | 6e73fc6f8a73dc38fdf616a98cb08e0027180d2d /mathcomp/ssreflect | |
| parent | a97b433c2d81c702fe690101a6e4e7afb4a3c28d (diff) | |
| parent | e41cb4f8b30181d3b144b57fc46cb89407f632d8 (diff) | |
Merge pull request #484 from CohenCyril/ord1
Putting `ord1` in `fintype.v`
Diffstat (limited to 'mathcomp/ssreflect')
| -rw-r--r-- | mathcomp/ssreflect/fintype.v | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/mathcomp/ssreflect/fintype.v b/mathcomp/ssreflect/fintype.v index 3472a1d..f4f34a4 100644 --- a/mathcomp/ssreflect/fintype.v +++ b/mathcomp/ssreflect/fintype.v @@ -2220,6 +2220,9 @@ Arguments sub_ord {n'}. Arguments sub_ordK {n'}. Arguments inord_val {n'}. +Lemma ord1 : all_equal_to (ord0 : 'I_1). +Proof. by case=> [[] // ?]; apply: val_inj. Qed. + (* Product of two fintypes which is a fintype *) Section ProdFinType. |