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Theorem le-add-02

⊦ n < m ∧ n0 < m0 → (¬ ¬ m + m0 ≤ n + n0 + 1 ↔ false)

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: 2
Proof steps: 4
Used lemmas: le-add, eqle-one, le-addex,
Used spec theorems:
- nat-basic2/addex
Used simplifier rules: