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Theorem psh-04

⊦ n ≠ 0 → (m < n -1 ↔ m +1 < n)

Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
Comment:
Used by: ilf-01, lp, numeral-2, prop-p-01, psh-05,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 3
Used lemmas: l-02, trans-nat, eq-02, eq-01, elim-succ, ls-04, refl-nat, c, a, pred, oz, one-06, psh-03, f, s-04, succ, psh-01,
Used spec theorems:
- Used simplifier rules: