rename [New/Only/Disabled][Tactic/Lemma/Definition]
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@@ -44,4 +44,4 @@ Statement
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(n : ℕ) : (∑ i : Fin n, (0 + 0)) = 0 := by
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simp
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NewTactics simp
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NewTactic simp
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@@ -34,7 +34,7 @@ Statement
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simp
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ring
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NewLemmas Finset.sum_add_distrib add_comm
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NewLemma Finset.sum_add_distrib add_comm
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Hint (n : ℕ) : ∑ x : Fin n, ↑x + ∑ x : Fin n, 1 = n + ∑ i : Fin n, ↑i =>
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"Die zweite Summe `∑ x : Fin n, 1` kann `simp` zu `n` vereinfacht werden."
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@@ -52,8 +52,8 @@ Statement arithmetic_sum
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rw [Nat.succ_eq_add_one]
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ring
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NewTactics induction
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NewLemmas Fin.sum_univ_castSucc Nat.succ_eq_add_one mul_add add_mul
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NewTactic induction
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NewLemma Fin.sum_univ_castSucc Nat.succ_eq_add_one mul_add add_mul
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Hint (n : ℕ) : 2 * (∑ i : Fin (n + 1), ↑i) = n * (n + 1) =>
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"Als Erinnerung, einen Induktionsbeweis startet man mit `induction n`."
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@@ -33,4 +33,4 @@ $\\sum_{i=0}^n\\sum_{j=0}^m 2^i (1 + j) = \\sum_{j=0}^m\\sum_{i=0}^n 2^i (1 +
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∑ j : Fin m, ∑ i : Fin n, ( 2^i * (1 + j) : ℕ) := by
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rw [Finset.sum_comm]
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NewLemmas Finset.sum_comm
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NewLemma Finset.sum_comm
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@@ -57,7 +57,7 @@ Statement
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rw [arithmetic_sum]
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ring
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NewLemmas arithmetic_sum add_pow_two
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NewLemma arithmetic_sum add_pow_two
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HiddenHint (m : ℕ) : ∑ i : Fin (m + 1), (i : ℕ) ^ 3 = (∑ i : Fin (m + 1), ↑i) ^ 2 =>
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"Führe auch hier einen Induktionsbeweis."
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@@ -37,4 +37,4 @@ example (n : ℕ) (h : 5 ≤ n) : n^2 < 2 ^ n
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sorry
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| n + 5 => by sorry
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NewTactics rw simp ring
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NewTactic rw simp ring
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@@ -32,4 +32,4 @@ Statement
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-- ring
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-- rw [Nat.succ_eq_one_add]
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-- rw []
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NewTactics rw simp ring
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NewTactic rw simp ring
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@@ -46,4 +46,4 @@ Statement
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-- rw [mul_add, hn]
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-- ring
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NewTactics ring
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NewTactic ring
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