22 lines
354 B
Text
22 lines
354 B
Text
import logic algebra.function
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open function bool
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constant f : num → bool
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constant g : num → num
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check f ∘ g ∘ g
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check typeof id : num → num
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constant h : num → bool → num
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check swap h
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check swap h ff num.zero
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check typeof swap h ff num.zero : num
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constant f1 : num → num → bool
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constant f2 : bool → num
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check (f1 on f2) ff tt
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