14 lines
244 B
Text
14 lines
244 B
Text
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variable {α : Type} in
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def f (a : α) : List α :=
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_
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variable (P : List Nat → List Nat → Prop) in
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theorem foo (xs : List Nat) : (ns : List Nat) → P xs ns
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| [] => sorry
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| (n::ns) => by {
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cases xs;
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exact sorry;
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exact sorry
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}
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