This PR fixes the invariant in `grind` AC. equations in the todo queue are not fully simplified.
7 lines
160 B
Text
7 lines
160 B
Text
public section
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namespace List
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set_option grind.debug true in
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theorem take_eq_self_iff (x : List α) {n : Nat} : x.take n = x → x.length ≤ n := by
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grind
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