7 lines
152 B
Text
7 lines
152 B
Text
module
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open Lean Grind
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variable [Field R]
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example (M : R) (h₀ : M ≠ 0) {n : Nat} (hn : n > 0) : M ^ n / M = M ^ (n - 1) := by
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cases n <;> grind
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