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Theorem scale-abs

⊦ abs(dec).scale = dec.scale

Type: A user defined theorem
Validity: The proof is valid.
Features: simp, localsimp,
Comment:
Used by: mult-abs, square-sqrt-01,
Used by units in proved state:
Proof exists?: Yes

View the proof

Infos about the proof

Proved?: Yes
Interactions: 4
Proof steps: 6
Used lemmas: abs-def,
Used spec theorems:
- int-abs/Abs-pos
- decimal/mkDecimal-constructor
Used simplifier rules: