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Theorem elim-list-c
x ≠ [] ⊦ a = x.head ∧ y = x.tail ↔ x = a + y
Type: A user defined theorem
Validity: The proof is valid.
Features: elim,
Comment:
Used by:
eq-one
,
fr-02
,
fr-04
,
fr-07
,
length-rest
,
lf-01
,
lr-01
,
lr-03
,
Used by units in proved state:
list-del
,
olist-min-max
,
olist-sort
,
olist
,
list
,
assoclist
,
stream
,
list-perm
,
list-set
,
path-reachable
,
infinite-append
,
list-dup
,
list-last
,
list-getput
,
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 0
Proof steps: 3
Used lemmas:
f
,
gen-list
,
sel-add-dottail
,
sel-add-dothead
,
Used spec theorems:
Used simplifier rules: