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Theorem inv-ls-pos

0.r < r ⊦ r ^-1 < r0 ↔ 1.r < r * r0

Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
Comment:
Used by: inv-ge-pos,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 5
Proof steps: 6
Used lemmas: ls-pos-01, mult-com, mult-ass, inv-def,
Used spec theorems:
- Used simplifier rules:
  - real-abs/lels
  - real-abs/lels-03