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Theorem inj-03

⊦ str ≠ "" ∧ str0 ≠ "" → (str = str0 ↔ str.char1 = str0.char1 ∧ str.rstring = str0.rstring)

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by:
Used by units in proved state:
Proof exists?: Yes

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Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 4
Used lemmas: empty, elim,
Used spec theorems:
- Used simplifier rules: