13 lines
460 B
Text
13 lines
460 B
Text
universes u v
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-- `Type u` version can be defined without this option, but I get the same error
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set_option bootstrap.inductiveCheckResultingUniverse false in
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inductive PEmpty : Sort u
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-- `#check` works
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set_option pp.all true in
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#check fun {α : Sort v} => PEmpty.rec (fun _ => α)
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-- but `def` doesn't work
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-- error: (kernel) compiler failed to infer low level type, unknown declaration 'PEmpty.rec'
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def PEmpty.elim {α : Sort v} := PEmpty.rec (fun _ => α)
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