16 lines
379 B
Text
16 lines
379 B
Text
import data.nat
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open nat
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constants (P : ∀ {t:true}, ℕ → Prop) (P0 : @P trivial 0)
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(Ps : ∀ {n}, @P trivial n → @P trivial (succ n))
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(f : Π {n}, @P trivial n → ℕ)
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definition messy := f (Ps (Ps (Ps (Ps (Ps (Ps P0))))))
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eval messy
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set_option pp.proofs false
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eval messy
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set_option pp.implicit true
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eval messy
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set_option pp.proofs true
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eval messy
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