28 lines
376 B
Text
28 lines
376 B
Text
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section
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variable (A : Type)
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section
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variables (a b : A)
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variable (H : a = b)
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definition tst₁ := a
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check @tst₁
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variable {A}
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definition tst₂ := a
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check @tst₂ -- A is implicit
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lemma symm₂ : b = a := eq.symm H
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check @symm₂
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end
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variable (a : A)
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definition tst₃ := a
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check @tst₃ -- A is explicit again
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end
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