Hello, I have a question.

1. Bring your umbrella, or you'll get get drenched tonight.
2. Bring your umbrella, and you won't get drenched tonight.

The above sentences make sence with regard to the usage of
"or" and "and." I mean:

or = if you do the opposite of "bring your umbrella"
and= if you do "bring your umbrella"

Now, what if a conditional clause is a negative clause?

Which one makes sence if I want to say "if you press the
button, it will explode"?

3. Don't press the button, or it'll explode.
4. Don't press the button, and it'll explode.

Thank you,
1 2
Sentence 3 makes sense as an alternative to "If you press the button, it will explode", not Sentence 4.

On the other hand, "Don't bother to take that medicine, and your cold will clear up on its own" would be a way of saying "(Even) if you don't bother to take that medicine, your cold will clear up on its own".

Thanks CJ. I got it!
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When I was watching TV, somebody said, "don't move, and you'll die."
Wouldn't that contradict the advice you gave?

Maybe a plane was going to crash on him/her, so if she/he didn't move, he/she'd die? Although when I think of the time it takes to actually SAY the sentence, the person would already have been dead...
Thanks for responding to my question pieanne.

I'm sorry I wasn't clear with the question.

"Don't move, and you'll die." was used by a terrorist (male) who clearly meant,
"I'll shoot you if you move," as he pointed his gun at a woman.

I will be grateful if you guys give me some comments on this.

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I think the actor said 'and' instead of 'or' to make people believe that terrorists are/were not well educated.

That might be a good explanation!

Thanks paco,
Thanks pieanne.
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