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Theorem dot-assoc

⊦ A.cols = B.rows ∧ B.cols = C.rows → (A * B) * C = A * B * C

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

View the proof

Infos about the proof

Proved?: Yes
Interactions: 8
Proof steps: 16
Used lemmas: sum-swap, dist, at-dot, cols-dot, rows-dot,
Used spec theorems:
- matrix/ext
Used simplifier rules: