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Theorem ushort-band-shift-01
⊦ band(s2i(sho) i>> 8, 255) = us2i(sho) / 256
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: 4
Proof steps: 6
Used lemmas:
ushort-max
,
ushort-abs
,
ushort-nlsz
,
ushort-band-shift
,
Used spec theorems:
intops
/
intshiftrsign-2pot-pos
intops
/
band-255-pos
int-div
/
mod-zero-05
Used simplifier rules:
int-div
/
abs
int-div
/
num-ls
int-abs
/
lels
int-div
/
pos
intops
/
band-commutativity
int-abs
/
forward-le-01
int-abs
/
lels-01