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theorem proved term proof

involutionOp_shiftOp

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formal statement (Lean)

 181theorem involutionOp_shiftOp (p : Nat.Primes) :
 182    involutionOp ∘ₗ shiftOp p = shiftInvOp p ∘ₗ involutionOp := by

proof body

Term-mode proof.

 183  ext v
 184  simp only [LinearMap.coe_comp, Function.comp_apply,
 185             shiftOp_single, involutionOp_single, shiftInvOp_single,
 186             Finsupp.lsingle_apply]
 187  congr 1
 188  abel
 189
 190/-- Symmetric form of the previous: `U ∘ V_p^{-1} = V_p ∘ U`. -/

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