In mathematical notation, what are the usage differences between the various approximately-equal signs "≈", "≃", and "≅"? The Unicode standard lists all of them inside the Mathematical …

Conventional is closer to meaning "adhering to old or accepted customs". The difference lies in that conventional can have different meanings based on context, and some of them are …

Dec 22, 2020 · I have encountered this when referencing subsets and vector subspaces. For example, T ⊊ span(S) should mean that T is smaller than span(S)--at least from what I've …

May 17, 2013 · I was looking into the word chuffed this morning, and came across this:- chuffed 1 /tʃʌft/ adjective British Informal. delighted; pleased; satisfied. Origin: 1855–60; see chuff2 , -e...

As a consequence, "How do you do?" lost the meaning of a real question but it used to have the meaning of a real one : when you meet someone it is polite to ask if that person is doing well.

Mar 3, 2019 · Whats the meaning of this symbol? Its a three dot symbol: ∴ I read a book, im could not find any definition of this symbol. This is about continuum property of the natural numbers …

Feb 17, 2011 · Can anyone explain what the difference between status and state is when I talk about the condition or situation of an object? Here's what I got from Longman English …

What do lengths of time with the "bi" prefix mean"? I have understood bicentennial as once every two hundred years, but biannual as meaning twice a year. Do biweekly and bimonthly mean …

These are not English words, but Greek (hyper) and Latin (super, ultra) prepositions. Hyper and super mean exactly the same thing, 'above' -- they're cognates, in fact; Greek initial S went to …

Jan 3, 2013 · 2 The American meaning, which is "we can debate this but whatever conclusion we reach is immaterial" has, even in England, largely superseded the original English meaning …