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Update Basic.lean

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Pietro Monticone 2024-06-08 01:50:31 +02:00
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HepLean/AnomalyCancellation/Basic.lean
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@ -87,7 +87,7 @@ lemma LinSols.ext {χ : ACCSystemLinear} {S T : χ.LinSols} (h : S.val = T.val)
simp_all only
/-- An instance providing the operations and properties for `LinSols` to form an
addative commutative monoid. -/
additive commutative monoid. -/
@[simps!]
instance linSolsAddCommMonoid (χ : ACCSystemLinear) :
AddCommMonoid χ.LinSols where