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Theorem sub-add-06

⊦ i + j - i0 + j = i - i0

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: k-sub-rec2, minus-ass, num-subadd, sub-add-05, sub-sub, sub-sub-01,
Used by units in proved state: int-gcd, int-div,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 1
Used lemmas: sub-add, elim-sub,
Used spec theorems:
- Used simplifier rules:
  - int-basic2/add-a
  - int-basic2/add-c