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Theorem abs-eqall

⊦ abs(r * r0) = abs(r) * abs(r0)

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 0
Proof steps: 9
Used lemmas: eq-nonzero, neq-not-zero, zero-ge-02, zero-neq, zero-ge-01, zero-ls-02, mult-com, mult-ass, zero-ls-01, eq-neg, minus-left, abs-ite,
Used spec theorems:
- Used simplifier rules: