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Theorem k-sub-rec1

⊦ j > 0 ∧ i = i0 +1 → i - j = i0 - j -1

Type: A user defined theorem
Validity: The proof is valid.
Features: kodkodax,
Comment:
Used by:
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 1
Used lemmas: numadd, sub-add-02, sub-add-01, sub-eq, sub-sub-04, sub-pred,
Used spec theorems:
- Used simplifier rules: