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Theorem app-08
⊦ a ' + x = a ' + y ↔ x = y
Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by:
app
,
app-04
,
firstoc
,
in-rec
,
inapp
,
inapp-02
,
inapp-04
,
inapp-06
,
inex-02
,
k-Last-rec
,
k-Two
,
lastdiv
,
lastoc
,
longest-common-prefix
,
two
,
unequal
,
Used by units in proved state:
list-last
,
list-del
,
stream
,
olist-sort
,
olist-min-max
,
olist
,
list-set
,
list-perm
,
assoclist
,
list-dup
,
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 0
Proof steps: 1
Used lemmas:
a
,
app-01
,
Used spec theorems:
Used simplifier rules: