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Theorem square-ls

⊦ ((m + 1) * (m + 2)) / 2 < ((n + 1) * (n + 2)) / 2 ↔ m < n

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: square-ls-03,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 1
Used lemmas: two-rec, square-ls-01,
Used spec theorems:
- Used simplifier rules: