[Imprint]
[Data Privacy Statement]
[E-Mail]
View
long theorem info
. View
the proof
. Back to
main index
. View
the specification
. View
theorem base summary
, View
theorem base listing
, the
used properties by spec
, the
dependency list
, the
symbol table
,
Theorem bag-rem-empty
⊦ bag ≠ ∅ → (bag -- n = ∅ ↔ bag = ∅ ++ n)
Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
Comment:
Used by:
bag-rem-notmax
,
max-rem-notsame
,
Used by units in proved state:
ubi-quality-base
,
ubi-base
,
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 7
Proof steps: 19
Used lemmas:
Used spec theorems:
bag-basic
/nat-bag/
extension
bag-union
/nat-bag/
count-del
Used simplifier rules:
bag-union
/nat-bag/
del-rec
nat
/
elim-pred-c
nat-basic
/
c
nat-basic
/
a
nat
/
sub-base
bag-basic
/nat-bag/
count-other
bag-basic
/nat-bag/
count-empty
bag-basic
/nat-bag/
count-1