9 lines
167 B
Text
9 lines
167 B
Text
def f (n : Nat) := n + 1
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example (k : Nat) : let x := 10; f x = k := by
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have : f 10 = 11 := rfl
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intro x
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rw [this]
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trace_state
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revert x
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trace_state
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sorry
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