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Theorem absp

0.r ≤ r0, r0 < r ⊦ abs(r0 + ~ r) ≤ abs(r)

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by:
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 2
Used lemmas: abs-ls-03, abs-16, le-def,
Used spec theorems:
- Used simplifier rules: