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Theorem sub-sub

⊦ i - j - i0 = i - j + i0

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: abs-05, abs-le-succ, abs-succ, absls-05, absone-01, k-sub-rec2, minus, minus-01, minus-ass, neg-11, negone, num-subadd, sub-add-04, sub-add-08, sub-minus, sub-sub-01, subsub,
Used by units in proved state: int-mult, int-pot, int-gcd, int-div, intnat, int-square,
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 1
Used lemmas: sub-add, sub-add-06, sub-add-01, sub-eq,
Used spec theorems:
- Used simplifier rules:
  - int-basic2/add-c
  - int-basic2/add-a