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Theorem negr-ls

⊦ r0 < ~ r ↔ r0 + r < 0.r

Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
Comment:
Used by: neg-02,
Used by units in proved state: real-limit, real-multdiv, real-floor-ceil, real-abs,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 4
Used lemmas: negl-ls, negeq, irref, plst, ls-num, bls-01, l, add-comm, add-assoc, sub-eq-01,
Used spec theorems:
- Used simplifier rules: