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Theorem append-to-addsize

⊦ x + y to n + # x = x + (y to n)

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: 1
Proof steps: 1
Used lemmas: to-zero-l, append-to-size, append-to-gr,
Used spec theorems:
- Used simplifier rules:
  - nat/eq-01
  - nat-basic2/a
  - nat-basic2/c
  - list/app-01
  - list/a
  - nat/lels
  - nat/le-add
  - nat-basic2/add-base
  - list/app