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Theorem at-del
r ∈ h ⊦ r ≠ r0 → (h -- r0)[r] = h[r]
Type: An axiom
Validity: The proof is valid.
Features: s, ls,
Comment:
Used by:
at-diffs
,
del-new
,
del-notin
,
del-sw
,
del-twice
,
del-uni
,
diff-at
,
diffs-sw
,
exin
,
sw-del-add
,
sw-delwr
,
union-left-singleton
,
write-del
,
Used by units in proved state:
heap-fun
,
separation
,
heap-mod
,
heap-aux
,
Proof exists?: No