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Theorem elem-below-occurs

⊦ m < n ∧ n ≤ # A → #oc(A[m], A, n) ≠ 0

Type: A user defined theorem
Validity: The proof is valid.
Features: localsimp, simp,
Comment:
Used by: elem-does-occur,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 1
Used lemmas:
Used spec theorems:
- Used simplifier rules:
  - array-perm/array_of_nat/nonzero-numoc