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Theorem maxScale-zero-01

⊦ (i / 10 ^ maxScale(i)) % 10 = 0 ↔ i = 0

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: mkDecimal-maxScale-le,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 6
Proof steps: 8
Used lemmas: maxScale-not-negt, maxScale-base, maxScale-rec, maxScale-zero,
Used spec theorems:
Used simplifier rules: