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Theorem eval-existing-path
closed(H), path(x, r0, r1, H) ⊦ ⟪eval#(r0, x, H; a?)⟫ (a? = some(H[r1].value))
Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by:
Used by units in proved state:
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 0
Proof steps: 21
Used lemmas:
eval
,
Used spec theorems:
Used simplifier rules:
functions
/
path-last-in
node
/
elim
elem-option
/
inj
functions
/
path-emp
node
/
sel-02
elem-option
/
disj
list-data
/
elim-list-c
functions
/
path-first-in
functions
/
path-rec
list
/
e-01
functions
/
closed-succ
list
/
c
list
/
len
list
/
len-02
list
/
a
nat-basic2
/
s
nat-basic1
/
ref-1
nat-basic2
/
a
nat-basic2
/
c