User talk:Zahlenspieler

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Cheers! prime mover (talk) 21:30, 3 January 2014 (UTC)

Please read

Please be so kind to read this. Your version of Transformation of Unit Matrix into Inverse‎‎ was moved to User:Zahlenspieler/Sandbox.

Also, please note that any conceivably nontrivial steps ought to be written out in full on PW. The last line of your proof is therefore too much of a shortcut -- even though it may just take one or two lines to get the point across. — Lord_Farin (talk) 22:56, 21 January 2014 (UTC)