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Theorem ri-inj-variant1-01

⊦ ri-inj(ri) → ( ri-inj(ri0) ↔ (∀ key0, key1. (key0 ∈ ri ∧ key1 ∈ ri ∧ ri[key0] = ri[key1] → key0 = key1) → key0 ∈ ri0 ∧ key1 ∈ ri0 ∧ ri0[key0] = ri0[key1] → key0 = key1))

Type: A user defined theorem
Validity: The proof is valid.
Features: lss, ss,
Comment: Generated lemma variant 1 for lemma: ri-inj
Used by:
Used by units in proved state: gjournal-base,
Proof exists?: Yes

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Infos about the proof

Proved?: Yes
Interactions: 2
Proof steps: 9
Used lemmas: ri-inj,
Used spec theorems:
- Used simplifier rules: