Contradiction symbol "upside-down T" [duplicate] Ask Question Asked 8 years, 10 months ago.

2022年4月28日 · What does the upside down T mean in math? The only "mathematical" (it's really more geometrical) symbol I can think of fitting the description means "perpendicular." What does 0.0761 mean upside down?

2022年4月28日 · What does an upside-down T mean? It is the symbol for 'perpendicular'. What does T' mean in math?

2016年9月24日 · The symbol you need is called \top (table 195 in the current version of the “Comprehensive List”). You can of course define a better name, say \newcommand{\tang}{\top} . – egreg

2025年2月2日 · In mathematics notation, an upside-down triangle typically represents the symbol for "change" or "difference." It is commonly used in calculus to denote the change in a variable or function. The upside-down triangle is known as the "nabla" symbol and is also used in vector calculus to represent the gradient of a scalar field.

I need a cross symbol, similar to \dagger, but optimally less fancy, smaller (not as long vertical line below the crossing) and without having to load a special symbol package (besides amsmath). The letter "t" without the bottom curve would do. I also need …

2022年4月28日 · What does an upside down triangle mean in maths notation? The 'upside down' triangle symbol is the (greek?) letter Nabla. Nabla means the gradient. The gradient is the vector field whoose components are the partial derivatives of a function F given by (df/dx, df/dy).

2020年4月28日 · \fontfam[libertine] symbol t̬ \bye The main point is: use Unicode font which supports these combining diacritical marks. If this is true then you can type natural t̬ if you know how to do it in your editor and keyboard. Or you can define a macro \def\t{t̬} and use \t (the plain TeX old \t is re-defined in such case but we don't use it).

2022年4月28日 · What does an upside down triangle mean in maths notation? The 'upside down' triangle symbol is the (greek?) letter Nabla. Nabla means the gradient. The gradient is the vector field whoose components are the partial derivatives of a function F given by (df/dx, df/dy).

2015年10月13日 · Why do the less than symbol (<) and the greater than symbol (>) appear wrong as upside down exclamation (¡) or question mark (¿)? (4 answers) Closed 9 years ago .