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Theorem pls-pos
0.r < r, 0.r < r0, r ≤ r1, r0 < r2 ⊦ r * r0 < r1 * r2
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: 1
Proof steps: 2
Used lemmas:
mult-com
,
mult-ass
,
ls-pos
,
ls-forward
,
Used spec theorems:
real-abs
/
forward-lsle
Used simplifier rules:
real-abs
/
lels
real-abs
/
le-def
real-abs
/
forward-lsle
real-basic
/
trans
real-abs
/
lenls