23 lines
389 B
Text
23 lines
389 B
Text
import standard struc.function
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using function num bool
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variable f : num → bool
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variable g : num → num
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check f ∘ g ∘ g
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check typeof id : num → num
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check num → num ⟨is_typeof⟩ id
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variable h : num → bool → num
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check flip h
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check flip h ff zero
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check typeof flip h ff zero : num
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variable f1 : num → num → bool
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variable f2 : bool → num
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check (f1 on f2) ff tt
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