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Mathlib
.
Algebra
.
Divisibility
.
Finite
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Imports
Init
Mathlib.Algebra.Divisibility.Basic
Mathlib.Data.Fintype.Defs
Imported by
instDecidableDvdOfFintypeOfDecidableEq
Divisibility in finite types
#
source
instance
instDecidableDvdOfFintypeOfDecidableEq
{M :
Type
u_1}
[
Semigroup
M
]
[
Fintype
M
]
[
DecidableEq
M
]
(a b :
M
)
:
Decidable
(
a
∣
b
)
Equations
instDecidableDvdOfFintypeOfDecidableEq
a
b
=
decidable_of_iff
(∃ (
c
:
M
),
b
=
a
*
c
)
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