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Theorem byte-length
b2i(by) ≠ ~128 ⊦ # int2bits(b2i(by)) ≤ 8
Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by:
byte-len
,
Used by units in proved state:
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 2
Proof steps: 4
Used lemmas:
byte-nge
,
byte-nls
,
byte-le
,
byte-range
,
Used spec theorems:
int2bits
/
int2bits-len-range
Used simplifier rules:
nat
/
ls-le-simp
int-abs
/
lels-01
int-abs
/
lels
int-abs
/
lels-02
int2bits
/
int2bits-not-empty
list-data
/bitlista/
l
nat-basic1
/
f
nat
/
lels-01