The phrase to boil down to something can be found in most dictionaries. However, to me, it sounds colloquial to write Finding an exact solution to Eq. 1 boils down to ... A real-life example can be found here, and many more here. Interestingly, many of the examples are by non-native ...

TLDR: It does not matter what part of speech which you or anybody else calls how; it only matters what it does. The way to determine the part of speech played by any word in a phrase or sentence is not by looking it up in a dictionary, but rather by examining the job which that word is doing i...

Specific derivatives have specific names. First order is often called tangency/velocity, second order is curvature/acceleration. I've also come across words like Jerk, Yank, Jounce, Jolt, Surge and Lurch for 3rd and 4th order derivatives. Is there a widely agreed list of names for these? How many...