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Theorem abssub-05

i0 ≤ i + 1 ⊦ j < i0 → abs((* i) - j) + j = i

Type: A user defined theorem
Validity: The proof is valid.
Features: localsimp,
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: 5
Used lemmas: lels-03, succ-02, forward-le-02, abs-18, elim-sub, le-def,
Used spec theorems:
- int-basic2/plst
Used simplifier rules: