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Theorem writersok-del-pos
⊦ writersOk(p, writers) → writersOk(p(l := p(l) -p n), writers)
Type: A user defined theorem
Validity: The proof is valid.
Features: ss, lss,
Comment:
Used by:
Used by units in proved state:
FLITPSCweak-proofs
,
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 8
Proof steps: 21
Used lemmas:
filtertid-def
,
filterwrites-def
,
writersOk
,
Used spec theorems:
Used simplifier rules:
set-basic
/
size-zero-01
set-basic
/
ne-01
filter-count
/
filter-rec
filter-count
/
filter-append
list
/
app-02
list
/
c
list-del
/
delpos-base
list
/
a
list-del
/
delpos-empty
filter-count
/
filter-base
nat-basic
/
succ
nat-basic
/
c
nat-basic
/
a
list-del
/
delpos-rec