[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 Extension
⊦ s1 = s2 ↔ (∀ a. a ∈ s1 ↔ a ∈ s2)
Type: An axiom
Validity: The proof is valid.
Features:
Comment:
Used by:
addtwo
,
alle
,
eq
,
eq-01
,
eq-03
,
eq-04
,
ext-rec
,
in-05
,
ne
,
one
,
one-in
,
sel
,
selsize
,
size-one
,
sub-one-01
,
sub-size-eq
,
subset-empty
,
subset-equal
,
subsize-eq
,
sw-01
,
two
,
two-01
,
Used by units in proved state:
set-union
,
ostore
,
store+set
,
Proof exists?: No