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• Linear map
  ==Notations== Given a linear map {{M|T}} it can be cumbersome to write {{M|T(v)}} over and over again, so quite often we will write:
  3 KB (512 words) - 16:30, 23 August 2015
• Notes:Lambda calculus
  * {{M|((\lambda y.y)(\lambda x.(xy)))}} - This is difficult to put into words, but simply results in the function that {{M|x\mapsto x(y)}} ===Notations===
  4 KB (832 words) - 21:22, 11 August 2015
• R+ (notation)
  ..._{> 0} }} are extremely clear. Furthermore this notation extends naturally to things like {{M|\mathbb{R}_{\ge 5} }} or {{M|\mathbb{R}_{\le 0} }}, it is o * ''[[positive]]'' ({{M|+}}) means {{M|>0}} and we use ''[[non-negative]]'' to mean {{M|\ge 0}} (as this is literally ''not negative'')
  1 KB (228 words) - 12:55, 8 January 2016
• Notes:Differential (notation)
  ...ways to write the differential, most of them stem from the fact they want to "pretend" that they're a function on some domain, for example: *# {{M|d(f)}} - the differential of {{M|f}}, a function that takes the domain to linear maps.
  4 KB (713 words) - 20:55, 20 June 2016