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Theorem to-inf-two
⊦ nf to 2 = nf(0) ' + nf(1) '
Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
Comment:
Used by:
Used by units in proved state:
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 2
Proof steps: 4
Used lemmas:
get-infto
,
size-inf-to
,
Used spec theorems:
list-getput
/
extension
Used simplifier rules:
nat-basic
/
f
nat
/
ls-le-simp
nat
/
lels
list
/
a
list
/
len-02
list
/
len-05
list-del
/
get-succ
nat-basic
/
succ
nat
/
l-num-05
nat-basic
/
one-01
nat-basic
/
a
nat-basic
/
c
list-del
/
one-03
list-del
/
get-zero