17 lines
428 B
Text
17 lines
428 B
Text
def f (a : Array Nat) (i : Nat) (v : Nat) (h : i < a.size) : Array Nat :=
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a.set i (a[i] + v)
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set_option pp.proofs true
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theorem ex1 (h₃ : i = j) : f a i (0 + v) h₁ = f a j v h₂ := by
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simp
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trace_state
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simp [h₃]
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theorem ex2 (h₃ : i = j) : f a (0 + i) (0 + v) h₁ = f a j v h₂ := by
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simp
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trace_state
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simp [h₃]
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theorem ex3 (h₃ : i = j) : f a (0 + i) (0 + v) h₁ = f a j v h₂ := by
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simp [h₃]
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