2713c846f1
Remove examples that we have already moved to `tests/lean/run`, and add notes for possible fixes.
26 lines
674 B
Text
26 lines
674 B
Text
open Lean.Grind
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section CommRing
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variable (R : Type) [CommRing R]
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example (a : R) (n m : Nat) : a^((n+m)^2) = a^(n^2 + 2*n*m + m^2) := by grind
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example (a : R) (n m : Nat) : a^((n+m)^2) = a^(n^2) * a^(2*n*m) * a^(m^2) := by grind
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-- from Mathlib.NumberTheory.Multiplicity
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theorem pow_two_pow_sub_pow_two_pow.extracted_1_1 {x y : R} (d : Nat) :
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x ^ 2 ^ (d + 1) - y ^ 2 ^ (d + 1) = (x ^ 2 ^ d + y ^ 2 ^ d) * (x ^ 2 ^ d - y ^ 2 ^ d) := by
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grind
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end CommRing
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section Field
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variable (F : Type) [Field F]
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example (a : F) (n m : Int) : a^(n - m) = a^n / a^m := by grind
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example (a : F) (n m : Int) : a^((n - m) * (n + m)) = a^(n^2) / a^(m^2) := by grind
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end Field
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