"learn to [verb]" "learn how to [verb]" Is  merely a less formal version of ? If not, does  communicate something subtly different? Consider the following: In , the object of learning ...
Given x and y could be any phrase, do these phrases always mean the same thing? If not, what's the difference? I believe x does not equal y I don't believe x equals y
Recently asked a question of a colleague: Are you sorting this list by acronym? He responded: Yes, I’m sorting on acronym (ascending). Emphasis mine in each case. Is one correct and not ...