blob: ce440ae3ed73e62534c692e37f44f39021219a93 [file] [edit]
def f (a : Array Nat) (i : Nat) (v : Nat) (h : i < a.size) : Array Nat :=
a.set i (a.get i h + v)
set_option pp.proofs true
theorem ex1 (h₃ : i = j) : f a i (0 + v) h₁ = f a j v h₂ := by
simp
trace_state
simp [h₃]
theorem ex2 (h₃ : i = j) : f a (0 + i) (0 + v) h₁ = f a j v h₂ := by
simp
trace_state
simp [h₃]
theorem ex3 (h₃ : i = j) : f a (0 + i) (0 + v) h₁ = f a j v h₂ := by
simp [h₃]