Symbols:F
femto-
- $\mathrm f$
The Système Internationale d'Unités symbol for the metric scaling prefix femto, denoting $10^{\, -15 }$, is $\mathrm { f }$.
Its $\LaTeX$ code is \mathrm {f} .
Hexadecimal
- $\mathrm F$ or $\mathrm f$
The hexadecimal digit $15$.
Its $\LaTeX$ code is \mathrm F or \mathrm f.
Function
- $\map f x$
The letter $f$, along with $g$ and $h$, is frequently used to denote a general mapping or function, in particular a real function.
The $\LaTeX$ code for \(\map f x\) is \map f x .
Primitive
- $\map F x$
Given a real function $f$, the primitive of $f$ is often denoted $F$:
- $\map F x = \ds \int \map f x \rd x$
The $\LaTeX$ code for \(\map F x\) is \map F x .
Predicate
- $F a$
Frequently used to denote a general unspecified predicate in the context of predicate logic, for example:
- $F a$ represents:
- $a$ has property $F$
The $\LaTeX$ code for \(F a\) is F a .
False
- $\F$
Symbol generally used for falsehood.
A statement has a truth value of false if and only if what it says does not match the way that things are.
The $\LaTeX$ code for \(\F\) is \F .
Faraday
- $\mathrm F$
The symbol for the Faraday is $\mathrm F$.
Its $\LaTeX$ code is \mathrm F .
Galois Field
- $\map \GF p$
Used to denote a Galois field of $p$ elements.
The $\LaTeX$ code for \(\map \GF p\) is \map \GF p .