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Theorem square-eq

⊦ r * r = r0 * r0 ↔ abs(r) = abs(r0)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 4
Proof steps: 5
Used lemmas: abs-ite, square-ls,
Used spec theorems:
- Used simplifier rules: