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Theorem hex-rec
⊦ str ≠ "" → hex(str) = hexchar(str.char1) * 16 ^ (n→i(# str) - 1) + hex(str.rstring)
Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by:
numhex-rec
,
test-01
,
Used by units in proved state:
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 2
Proof steps: 6
Used lemmas:
hexstring-length
,
hexint-rec
,
hexstring-rec-01
,
hex-def
,
Used spec theorems:
Used simplifier rules:
int-basic2
/
add-in
list
/intlista/
a
list
/intlista/
c
int-mult
/
commutativity
int-basic2
/
add-c
int-basic2
/
add-a
int-basic2
/
add-zero
int-abs
/
numsub
nat-basic2
/
c
nat-basic2
/
a
intnat
/
n2i-add
string-append
/
assoc
string-less
/
Length-rec
string-append
/
chartostring-01
string-data
/
elim