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Theorem getint-zero

⊦ mkDecimal(i, j).int = 0 ↔ i = 0

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: equality-any, getint-pos-01,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 5
Proof steps: 9
Used lemmas: intvalue-base, intvalue-rec, intvalue-zero,
Used spec theorems:
- int-div/modex
Used simplifier rules: