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Theorem write3

⊦ ((ar[n0 := a])[n1 := b])[n0 := c] = (ar[n1 := b])[n0 := c]

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: 1
Proof steps: 6
Used lemmas: Put-same, Put-other, cgetput, Size-put, Extension,
Used spec theorems:
- Used simplifier rules: