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Theorem int-mult

⊦ rational(i, 1) * rational(j, 1) = rational(i * j, 1)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 6
Proof steps: 10
Used lemmas: denominator-pos, denominator-zero, numerator-zero, numerator-pos, mult-def,
Used spec theorems:
- Used simplifier rules: