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Theorem lowbound-neg-upperbound
⊦ r0 ≤ rset ↔ (λ r. rset(0.r + ~ r)) ≤ 0.r + ~ r0
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: 2
Proof steps: 7
Used lemmas:
upperbound-def
,
lowerbound-def
,
Used spec theorems:
Used simplifier rules:
real-abs
/
negle-07
real-basic
/
add-comm
real-basic
/
add-assoc
real-basic
/
add-zero
real-abs
/
le-def
real-abs
/
lels-03
real-basic
/
double-neg
real-abs
/
sub-le