# User contributions

- 13:30, 9 April 2014
diff hist
**-684** Interval, open TeX current - 13:25, 9 April 2014 diff hist -388 Interval, closed TeX current
- 13:23, 9 April 2014 diff hist -399 Biquadratic equation TeX current
- 13:21, 9 April 2014 diff hist -58 Logical law TeX current
- 13:20, 9 April 2014 diff hist -305 Quartile TeX current
- 13:18, 9 April 2014 diff hist -63 Cubic parabola TeX current
- 13:14, 9 April 2014 diff hist -296 Quadratic mean TeX
- 13:10, 9 April 2014
diff hist
**-505** Harmonic mean TeX - 13:06, 9 April 2014 diff hist +1 Geometric mean
- 13:06, 9 April 2014 diff hist -311 Geometric mean TeX
- 13:04, 9 April 2014 diff hist -386 Arithmetic mean TeX
- 13:01, 9 April 2014
diff hist
**-1,652** Free algebra TeX current - 12:53, 9 April 2014 diff hist +10 Formal language, machine-representable
- 12:53, 9 April 2014 diff hist -301 Formal language, machine-representable TeX
- 12:43, 9 April 2014 diff hist -279 Empty set TeX
- 12:23, 9 April 2014 diff hist -392 Right group TeX
- 12:22, 9 April 2014
diff hist
**-938** Zero divisor TeX current - 12:16, 9 April 2014 diff hist -149 Half-line (ray) TeX current
- 12:15, 9 April 2014 diff hist -123 Tangent formula TeX current
- 12:02, 9 April 2014
diff hist
**-1,386** Axiom of extensionality TeX current - 14:33, 19 March 2014
diff hist
**-543** Difference of two sets TeX - 14:29, 19 March 2014 diff hist +6 Sine theorem current
- 14:28, 19 March 2014
diff hist
**-628** Sine theorem TeX - 14:25, 19 March 2014 diff hist -481 Cosine theorem TeX current
- 14:21, 19 March 2014
diff hist
**-867** Prime ring TeX - 14:09, 19 March 2014
diff hist
**-1,286** Prime ideal TeX - 14:03, 19 March 2014
diff hist
**-1,028** Prime element TeX current - 14:15, 17 March 2014 diff hist -168 Contradiction, law of TeX
- 14:11, 17 March 2014 diff hist -217 Contradiction (inconsistency) TeX current
- 14:10, 17 March 2014
diff hist
**-996** Dedekind cut TeX - 13:48, 17 March 2014
diff hist
**-762** Exclusive disjunction TeX - 13:34, 17 March 2014 diff hist -327 Constructive propositional calculus TeX current
- 13:31, 17 March 2014
diff hist
**-986** Intuitionistic propositional calculus TeX - 12:49, 17 March 2014 diff hist -442 Law of the excluded middle TeX current
- 12:44, 17 March 2014
diff hist
**-531** Double negation, law of TeX - 12:35, 17 March 2014 diff hist -386 Finitism TeX current
- 22:41, 16 March 2014 diff hist -61 Aleph-zero TeX
- 22:37, 16 March 2014 diff hist -144 Imaginary unit TeX current
- 22:36, 16 March 2014
diff hist
**-625** Cartesian orthogonal coordinate system TeX current - 22:30, 16 March 2014
diff hist
**-3,135** Descartes oval TeX current - 22:03, 16 March 2014 diff hist -224 Unit divisor TeX
- 21:59, 16 March 2014 diff hist -12 m Algebraic operation \colon -> :
- 21:54, 16 March 2014 diff hist -2 Algebraic operation
- 21:53, 16 March 2014
diff hist
**-1,097** Algebraic operation TeX - 21:43, 16 March 2014 diff hist -8 Root
- 21:29, 16 March 2014
diff hist
**-5,074** Root TeX - 20:48, 16 March 2014 diff hist +13 Subtraction current
- 20:47, 16 March 2014 diff hist -1 Addition current
- 20:46, 16 March 2014
diff hist
**-531** Addition - 20:41, 16 March 2014
diff hist
**-514** Subtraction TeX