[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
,
Proof step 1 from proof validrefs-subset-notnew (
previous step
)
⊦ r ∈ refs0 ∧ validrefs(str, refs0 + r1, ty, st0) ∧ validref(str, r, st[r -- _type] .type, st) ∧ st ⊆ st0 → validref(str, r1, st[r1 -- _type] .type, st)
Lemma
validref-refs-last-valid-subset