23 lines
337 B
Text
23 lines
337 B
Text
import logic
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namespace N1
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variable num : Type.{1}
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variable foo : num → num → num
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end N1
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namespace N2
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variable val : Type.{1}
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variable foo : val → val → val
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end N2
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using N2
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using N1
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variables a b : num
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variable f : num → val
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coercion f
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definition aux2 := foo a b
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check aux2
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theorem T3 : aux2 = N1.foo a b
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:= refl _
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