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Theorem Del-in
⊦ a ∈ st -- b ↔ a ≠ b ∧ a ∈ st
Type: An axiom
Validity: The proof is valid.
Features: simp, localsimp, nokodkodax,
Comment:
Used by:
Del-notin
,
Del-other-data
,
del-put
,
deldel
,
delete-put-rew
,
empty-01
,
eq-shift-del
,
insert
,
k-Del-rec2
,
key-size
,
lookupisempty
,
notin-del-notin
,
size
,
size-in
,
subset-delete
,
subset-delete-01
,
subset-put
,
subset-put-01
,
subset-put-02
,
sw
,
sw-01
,
Used by units in proved state:
path-reachable
,
ostore
,
store+set
,
Proof exists?: No