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Theorem abs-pos

⊦ 0 < j → abs(rational(i, j)) = rational(abs(i), j)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 16
Proof steps: 26
Used lemmas: num-zero, numerator-pos, denominator-zero, numerator-zero, denominator-pos, denum-same, num-same-01, Equality, abs-def,
Used spec theorems:
Used simplifier rules: