21878030d1
@Kha I implemented the following approach: - Error if user tries to revert `auxDecl`. - Clear any `auxDecl` that depends on variables being reverted by the user.
9 lines
168 B
Text
9 lines
168 B
Text
variable (xs : List Nat)
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theorem foo1 : xs = xs := by
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induction xs <;> rfl
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theorem foo2 : xs = xs := by
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cases xs with
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| nil => rfl
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| cons x xs => rfl
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