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Theorem minus-one
⊦ i < 0 → (n→i(m) = i + 1 ↔ m = 0 ∧ i = ~1)
Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
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: 3
Used lemmas:
nat2int-02
,
nat2int-08
,
Used spec theorems:
Used simplifier rules:
int-abs
/
forward-le-02
int-abs
/
numls-03
int-abs
/
lels
int-abs
/
mone-08
int-basic2
/
add-a
int-basic2
/
add-c