theorem extracted_formal_statement_22 {α : ℕ → ℕ} (monoa : StrictMono α) (m n : ℕ) (ieqq : m ≤ α n) :
  α n + 1 ≤ α (n + 1) := sorry

State before:
α : ℕ → ℕ
monoa : StrictMono α
m n : ℕ
ieqq : m ≤ α n
⊢ α n + 1 ≤ α (n + 1)

Tactic: apply Nat.succ_le_iff.mpr
    apply monoa
    norm_num

State after:

Relevant lemmas: