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Theorem invmult-ls-pos

0.r < r ⊦ r ^-1 * r1 < r0 ↔ r1 < r * r0

Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
Comment:
Used by: invmult-ge-pos, invmult-ls-pos-add,
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: invmult-le-pos, invmult-eq, mult-ass, mult-com, mult-one, inv-def, ls-pos,
Used spec theorems:
- Used simplifier rules: