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Theorem sqr-09

⊦ 2 < m ∧ m ≤ n → ¬ n * n ≤ m + 1

Type: A user defined theorem
Validity: The proof is valid.
Features: localsimp, simp,
Comment:
Used by:
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: mult-c, mult-a, mult-le-01,
Used spec theorems:
- Used simplifier rules:
  - nat/fle
  - nat-basic1/f
  - nat/let
  - nat-basic2/c
  - nat-basic2/a