08ccd58eb6
definitions are unfolded during elaboration Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
13 lines
230 B
Text
13 lines
230 B
Text
inductive list (T : Type) : Type :=
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nil {} : list T,
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cons : T → list T → list T
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section
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variable {T : Type}
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definition concat (s t : list T) : list T
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:= list.rec t (fun x l u, list.cons x u) s
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reducible concat
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end
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