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Theorem putrow-outside-id

⊦ #r mx ≤ r ∧ # a = #c mx → mx[r := a]r = mx

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: 2
Proof steps: 4
Used lemmas: updrow-sel, colno-updrow, rowno-updrow,
Used spec theorems:
- matrix/extension
Used simplifier rules: