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Theorem num-i2n-le
0 ≤ i ⊦ i→n(i) ≤ (* m) ↔ i ≤ n→i(m)
Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by:
num-n2i-ls
,
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:
i2i-pos
,
nat2int-04
,
num-n2i-ls-02
,
nat2int
,
abs-zero
,
inni-le
,
Used spec theorems:
Used simplifier rules:
int-abs
/
lels-01
nat-basic1
/
zero
int-abs
/
forward-lsle
int-abs
/
forward-le-05
int-abs
/
lels-02
int-abs
/
forward-lele
int-abs
/
forward-le-01
nat-basic1
/
f
nat
/
lels-01
int-abs
/
lenls