View source for There is no function application symbol

[[Category:Inconsistencies]]

While \(\circ\) is often used to represent ''composition'' of functions, it doesn't appear that anyone has invented a symbol for ''application'' of functions.

Such a symbol could help to resolve the [[missing multiplication symbol]] ambiguity.

There is a Unicode symbol, U+2061 "FUNCTION APPLICATION", but it's invisible.<ref>[https://twitter.com/christianp/status/1321409295473352705 Tweet by Christian Lawson-Perfect]</ref>