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Theorem sub-same

⊦ mkDecimal(i, j) - mkDecimal(i0, j) = mkDecimal(i - i0, j)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 3
Proof steps: 4
Used lemmas: sub-def-any,
Used spec theorems:
- int-mult/dist-sub-split
- decimal/mkDecimal-enlarge
Used simplifier rules: