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Theorem num-distr

⊦ (* i).r * r + (* j).r * r = (i + j).r * r

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 1
Proof steps: 2
Used lemmas: mult-com, mult-ass, distr,
Used spec theorems:
- real-basic/eqint-add
Used simplifier rules: