Theorem: UInt.land_assoc (Algdata/Classes/UInt.lean)

State before:
α : Type
inst✝¹ : (n : Nat) → OfNat α n
inst✝ : UInt α
a b c : α
⊢ a &&& b &&& c = a &&& (b &&& c)
Tactic:
apply toNat_inj
State after:
case a
α : Type
inst✝¹ : (n : Nat) → OfNat α n
inst✝ : UInt α
a b c : α
⊢ toNat (a &&& b &&& c) = toNat (a &&& (b &&& c))

State before:
case a
α : Type
inst✝¹ : (n : Nat) → OfNat α n
inst✝ : UInt α
a b c : α
⊢ toNat (a &&& b &&& c) = toNat (a &&& (b &&& c))
Tactic:
simp [toNat_land, Nat.land_assoc]
State after:
no goals