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Theorem elim-sub

⊦ ri0 = ri - rj ↔ ri = ri0 + rj

Type: A user defined theorem
Validity: The proof is valid.
Features:
Comment:
Used by: negate-02, negate-eq,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 7
Proof steps: 12
Used lemmas: equal-same, add-comm, add-asso, add-zero-01, rational-add-same, sub-def-01, exrat-01,
Used spec theorems:
- Used simplifier rules: