What's proper usage of "nor"?

Here's a good discription of the proper uses of nor.

First. It is NOT a double negative. Either/or and neither/nor, not only/but also and both/and are used in pairs and are called correlative conjunctions. Neither is used with nor and either with or.

I hope this helps.

Neither is alway used with nor and Either is always used with or.

Examples:

Neither his father nor his mother knew where Jack was hiding.

Either you know the right answer or you don't.

NOR is also used in logic circuits.

Where the result wanted is the INVERSE of an OR logic function.

This is required when making electronic circuits and needing to have a trigger (or state) of an operation be HIGH vs LOW for an OR operand or LOW vs HIGH under similar conditions

it is the negative of or

in your example, it should be or.

when you use it you should invert the word sequence you would use for any other conjunction. i.e.

and: in addition She tried and succeeded.

but: however They tried but did not succeed.

or: alternatively Did you go out or stay at home?

nor: and neither I did not see it, nor did they.

yet: however The sun is warm, yet the air is cool.

Neither goes with nor, either goes with or.

either-or, neither-nor is what I was taught in school.

it is either this or that (it is something)

it is neither this nor that (it isn't something)

yes double negative but it normally accepted speech. proper use would be niether this or that

use nor when you use neither