# Articles

## definition of vector space needs no commutativity

Last updated by: pahio on Sunday, January 25, 2015 - 12:26

## differentiation of Laplace transform with respect to parameter

Last updated by: pahio on Sunday, March 9, 2014 - 12:52

## derivative and differentiability of complex function

Last updated by: pahio on Sunday, February 23, 2014 - 18:20

## discontinuity of characteristic function

Last updated by: pahio on Tuesday, February 3, 2015 - 21:23

## divisor function

Last updated by: pahio on Wednesday, November 27, 2013 - 18:13

## Direct products in a category of funcoids

Last updated by: porton on Thursday, September 12, 2013 - 19:40

## derivation of Pappus's centroid theorem

Last updated by: pahio on Tuesday, October 10, 2017 - 07:19

## disjunction property

Last updated by: CWoo on Friday, March 22, 2013 - 11:42

## dilogarithm function

Last updated by: pahio on Friday, March 22, 2013 - 11:42

## deduction theorem holds for first order logic

Last updated by: CWoo on Friday, March 22, 2013 - 11:42

## derivations in natural deduction

Last updated by: CWoo on Friday, March 22, 2013 - 11:42

## deduction theorem holds for intuitionistic propositional logic

Last updated by: CWoo on Friday, March 22, 2013 - 11:42

## double category

Last updated by: bci1 on Friday, March 22, 2013 - 11:42

## Deriving the trigonometric addition formulae using area and cosine rule

Last updated by: dkrbabajee on Friday, March 22, 2013 - 11:42

## Deriving the trigonometric addition formulae using area and cosine rule

Last updated by: dkrbabajee on Monday, March 11, 2013 - 18:56

## Dieudonn\'e theorem on linear preservers of the singular matrices

Last updated by: kammerer on Friday, March 22, 2013 - 11:42

## double groupoid with connection

Last updated by: bci1 on Friday, March 22, 2013 - 11:42

## decomposable curve

Last updated by: pahio on Friday, March 22, 2013 - 11:42

## determining integer contraharmonic means

Last updated by: pahio on Tuesday, November 19, 2013 - 18:13

## design

Last updated by: CWoo on Friday, March 22, 2013 - 11:42