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Theorem loc

⊦ ¬ r < r0 ↔ ¬ ¬ (r = r0 ∨ r0 < r)

Type: A user defined theorem
Validity: The proof is valid.
Features: localsimp,
Comment:
Used by: lel, lel-01, nen, nen-01, next-ls, next-neq, nll, nnn, smallest-01,
Used by units in proved state:
Proof exists?: Yes

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Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 1
Used lemmas: transitivity, irreflexivity, seq,
Used spec theorems:
- Used simplifier rules: