not at all represents a topic that has garnered significant attention and interest. not all vs all not - English Language Learners Stack Exchange. First, I know that "not all" is partial negation. For example, "not all the numbers are 0" means there may be a number that is nonzero. This perspective suggests that, and to me, a non-native speaker of English, it seems that "a...
all are not VS not all are - English Language Learners Stack Exchange. The form "All are not bad." is ambiguous. It could mean that the phrase "not bad" is true of all the students, which is not what is meant.
According to Collins dictionary, "not bad" can mean Collins "not bad" passable; fair; fairly good That would, in effect, mean that "none are bad". Even with that meaning, "All are not bad" should be avoided. All of ...not/ Not all of / None of - English Language & Usage Stack ....

What does not modify in the sentence? If it is intended to modify the complement, and if one can make that apparent, then there is no ambiguity: All of the books I have are non-fiction. It's important to note that, this presupposes that there is a sufficiently clearly determined class of books that are labelled non-fiction, and all of the speaker's books belong to it. Is the usage "all ... are not" always the same as "not all ...
It's important to note that, to answer the presenting question first, No, the two constructions are not always the same in meaning. Moreover, there are several reasons for this. The most important one is the point made in the comments, that logic (and computer languages) are not the same as natural language; and, while logical statements can usually be put into English, any English sentence containing quantifiers (especially if it ... - English Language Learners Stack Exchange.

In Not all countries can produce high quality product, we don't include the "infinitive marker" to before the infinitive verb produce (but it is required with the semantically equivalent are able). All not and not all - WordReference Forums. Is the following sentence equivalent to the second one?
All swans are not white. The first may mean that no swan is white. "All is not lost" vs "Not all is lost" - English Language & Usage Stack .... 19 "All is not lost" does not suggest that nothing is lost.

It is said to counter the statement or belief that everything is lost, despite appearances to the contrary. It expresses exactly the meaning you say you want to convey, i.e., "at least one thing is not lost." "Not all is lost" is simply another, more emphatic way of saying the other. not...” apparently more common than “not all...”?. The proverb All that glitters is not gold is saying that everything that shines cannot be gold.

📝 Summary
Essential insights from this article on not at all demonstrate the importance of comprehending this topic. By using this knowledge, one can achieve better results.
