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Theorem write3

⊦ ((cu[nx0, ny0, nz0 := a0])[nx1, ny1, nz1 := b])[nx0, ny0, nz0 := a] = (cu[nx1, ny1, nz1 := b])[nx0, ny0, nz0 := a]

Type: A user defined theorem
Validity: The proof is valid.
Features: s, ls,
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: 25
Used lemmas: put-otherdepth, put-otherheight, put-otherwidth, put-same, height-put, depth-put, width-put, extension,
Used spec theorems:
- Used simplifier rules:
  - nat-basic/f