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Theorem app-08
⊦ a ' + x = a ' + y ↔ x = y
Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
Comment:
Used by:
firstoc
,
inex-02
,
lastoc
,
unequal
,
Used by units in proved state:
list-del
,
stream
,
list-dup
,
list-last
,
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 0
Proof steps: 2
Used lemmas:
a
,
app-01
,
Used spec theorems:
Used simplifier rules: