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Theorem boundedge-neg-boundedle
⊦ bounded≥(rset) ↔ bounded≤(λ r. rset(0.r + ~ r))
Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by:
Used by units in proved state:
real-limit
,
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 4
Proof steps: 11
Used lemmas:
upperbound-def
,
boundedle-def
,
lowerbound-def
,
boundedge-def
,
Used spec theorems:
Used simplifier rules:
real-basic
/
add-comm
real-basic
/
add-assoc
real-basic
/
add-zero
real-abs
/
le-def
real-abs
/
negle-07
real-abs
/
lels-03
real-abs
/
negle-13
real-basic
/
double-neg