9 lines
207 B
Text
9 lines
207 B
Text
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Set: pp::colors
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Set: pp::unicode
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Assumed: a
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Assumed: b
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Assumed: f
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Assumed: fNat
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(∀ x : ℕ, x > 0) ∧ (∀ x : Bool, f x)
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congr1 (∀ x : Bool, f x) (congr2 and (allext (λ x : ℕ, fNat x)))
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