8 lines
207 B
Text
8 lines
207 B
Text
theorem exists_foo : ∃ T : Type, Nonempty T := ⟨Unit, ⟨()⟩⟩
|
|
|
|
set_option trace.Meta.debug true
|
|
example : True := by
|
|
cases exists_foo
|
|
rename_i T hT
|
|
have : Nonempty T := inferInstance
|
|
trivial
|