16 lines
269 B
Text
16 lines
269 B
Text
mutual
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inductive ConE : Type where
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| nilE : ConE
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| extE : ConE → TyE → ConE
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inductive TyE : Type where
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| UE : ConE → TyE
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end
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def length (ΓE : ConE) : Nat :=
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match ΓE with
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| ConE.nilE => 0
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| ConE.extE ΓE AE => (length ΓE) + 1
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termination_by _ e => e
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