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Theorem absone-01
⊦ abs(i) = j + 1 + 1 ∧ j < 0 ∧ i ≠ 0 → j = ~1
Type: A user defined theorem
Validity: The proof is valid.
Features: localforward,
Comment:
Used by:
Used by units in proved state:
Proof exists?: Yes
View
the proof
Infos about the proof
Proved?: Yes
Interactions: 1
Proof steps: 4
Used lemmas:
numls-02
,
forward-le-05
,
Abs-pos
,
sub-ls
,
mone-01
,
sub-add-09
,
sub-sub
,
minus-add
,
sub-add-01
,
numadd-01
,
sub-eq
,
Minus-def
,
abs-08
,
forward-le-02
,
Used spec theorems:
Used simplifier rules:
int-basic1
/
lst-01
int-basic1
/
ls-01
int-basic1
/
lf-02
int-basic1
/
lf-01
int-basic1
/
trans
int-basic2
/
add-a
int-basic2
/
add-c
int-basic2
/
add-zero-rev
int-basic1
/
minus-one