f4ec874c6e
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
14 lines
342 B
Text
14 lines
342 B
Text
Set: pp::colors
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Set: pp::unicode
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Assumed: vec
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Assumed: concat
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Assumed: concat_assoc
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Assumed: empty
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Assumed: concat_empty
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∀ (n : ℕ) (v : vec (n + 0)) (w : vec n), v = w ; empty
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====>
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∀ (n : ℕ) (v w : vec n), v = w
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λ n : ℕ, ∃ (v : vec (n + 0)) (w : vec n), v ≠ w ; empty
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====>
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λ n : ℕ, ∃ v x : vec n, v ≠ x
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