diff options
| author | Cyril Cohen | 2020-04-10 11:45:05 +0200 |
|---|---|---|
| committer | Cyril Cohen | 2020-09-27 15:09:15 +0200 |
| commit | 4241f07301e8d84186ae2c80d5c32118a90f6847 (patch) | |
| tree | 2d0ee7af9c7ef40c67e57b243dc1f84715635a2b /mathcomp/ssreflect | |
| parent | 6d8f919bbc6a103378005d282fb6018bb63c5026 (diff) | |
Putting ord1 in fintype
ord1 is in zmodp, but it does not really require the zmodType structure of 'I_n to be stated and proven if we state it with ord0. We still keep the variant in zmodp with 0 instead of ord0 (for readability purposes).
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. |