2012年8月20日 · Generally, people use can't in speech and informal writing, and cannot or can not in formal writing or very formal speech. Also (as @Kris points out in a comment), cannot might be used when you need to carefully distinguish it from can't in speech.

2010年10月29日 · Why is “cannot” spelled as one word whereas other similar constructions such as “do not,” “will not,” “shall not,” “may not” and “must not” are spelled as two words (unless they are contracted as “...

2021年4月20日 · The phrase "can not" may mean "cannot" or "can't," but it also may mean "able not to," which is much different than "not able to" as it conveys the ability to not do something rather than the inability to do it.

Is there a difference in meaning and/or connotation between "can not" and "cannot"? I have read and seen both used interchangeably, but I know people who argue for a slight difference in meaning. ...

2011年6月16日 · I cannot find the tool, it is neither in the kitchen nor in the bathroom. I dislike that punctuation and I would either use a semicolon or make it two sentences. But if the sentence is interpreted that way then it only has a minor punctuation issue, while the use of 'neither' and 'nor' is actually correct.

2014年10月23日 · So, "cannot" means something (denoted S) is impossible, while "can not" means the inverse of that something (denoted !S) is possible. These two statements do not imply each other. Of course, the second statement could be rendered much more clearly as "The variable can be not initialized," by moving the "not" next to the word being negated.

9 "cannot not say" would only rarely be used in English, and only in very specific circumstances. In particular, this is not a simple double negative. "cannot not" does not mean the same as "can", it means "must". It also carries a connotation that not saying is the expected or default action.

2011年12月2日 · Cannot is the only negative form that contains not rather than -n't. Theoretically, since it is a single word, you can say why cannot you... without a problem. My theory is that modern English speakers don't want to put cannot before the subject because it contains not and sounds like can not.

2018年12月10日 · Stick with cannot. Can't tends to be informal, and can not is usually considered a typo.

2023年9月19日 · So here it’s about minimizing ambiguity: can not permits two interpretations, while cannot permits only one. Such care is critical in the language of mathematics. As another example, West would tell you that in mathematical discourse, both “x is a minimum” and “x is a minimal” are valid utterances, but they mean different things.